The present invention provides a process for the preparation of fluorobenzenesulfonyl fluorides of formula II.    Formula II

The present invention provides a process for the preparation of methyl heptafluorobutanoate of Formula I. Formula I

The present invention provides a process for the preparation of 3-trichloromethyl pyridine of Formula I N CCl 3 Formula I

The present invention provides a process for the purification of pure methyl 2-fluoroacrylate.

A Process for Producing 1,1,1.5.5,5 Hexafluoroacetvl Acetone The present invention relates to a process for preparation of 1,1,1,5,5,5-hexafluoroacetyl acetone.

The present disclosure provides a process for the preparation of 2,3,3,3-Tetrafluoropropene (HFO-1234yf)

The present invention relates to the process for the preparation of a compound of Formula I.

The present invention provides a process for the preparation of 1-bromo-2,4,5-trifluoro benzene of Formula I.

The present invention relates to a process for preparation of olefins containing fluorine.

The present invention relates to a process for preparation of olefins containing fluorine.

The present invention provides a process for the preparation of N-substituted fluonne containing pyrazole derivatives and their intermediates.

The present invention relates to the process for the preparation of 2,2,2-trifluoroethyl 2-methylprop-2- enoate of Formula I.

The present invention provides the process for the preparation of 4-trifluoromethoxyphenol of Formula I. The present invention also provides the process for the preparation of intermediates used in preparing 4-trifluoromethoxyphenol.

The present invention relates to a purification process of 4-Fluoro-3-phenoxy-benzaldehyde.

The present invention relates to a process for the preparation of a nematic compound 4-(4- propyl-cyclohexy1)-phenol.

The present invention relates to the process of preparation of compounds having CHF2C(O) group.

The present invention provides a process for the preparation of 3-trichloromethyl pyridine of Formula I N CCl 3 Formula

The present invention provides the process for the preparation of 4-trifluoromethoxyphenol of Formula I. The present invention also provides the process for the preparation of intermediates used in preparing 4-trifluoromethoxyphenol.

The present invention provides a process for the preparation of 2-chloro-6-trifluoromethyl pyridine of Formula I

The present invention relates to a process for preparation of olefins containing fluorine.

The present invention provides a process for the preparation of a compound of Formula I. X is selected from fluorine, chlorine, bromine, iodine n is selected from 1 to 6 Formula I

Abstract The present invention provides a process for the preparation of 5-amino-3-cyano-1-(2, 6-dichloro-4-trifluoromethyl-phenyl)pyrazole.

An improved process for synthesis of potassium perfluoroalkane sulfonate of general formula CnF2n+1 SO3K where n is an integer from 1 to 3, the process comprising subjecting alkanesulfonyl chloride to halogen exchange reaction with aqueous KF followed by electrochemical fluorination to obtain product gas containing ...

The present invention provides a process for the preparation of 4-(perfluoropropan-2-yl)-2-(trifluoromethyl)aniline of Formula -I wherein R1, R2, R3, R4 are independently selected from hydrogen, C1-C5 alkyl and C1-C5 perfluoroalkyl,

The present invention relates to the process for preparing methyl-2,2-difluorobenzo-1,3-dioxole carboxylate of Formula I. Formula I wherein R is C1-C6 alkyl

The present invention relates to a process for preparation of olefins containing fluorine using two reactor system.

This invention relates to a process for production of 1,1,1-trifluoroisopropanol by reduction of 1,1,1-trifluoropropanone using alkali borohydrides in an aqueous medium. After completion of the reaction, azeotrope of water and 1,1,1-trifluoroisopropanol is obtained. Anhydrous 1,1,1-trifluoroisopropanol can be obtain...

The present invention provides a process for the preparation of halosubstituted-6-trifluoromethyl pyridine of Formula I

ABSTRACT PROCESS FOR THE PREPARATION OF 2-(TRIHALOMETHYL) BENZAMIDE The present invention relates to a process for preparation of 2-(trihalomethyl) benzamide.

The present invention provides a process for the preparation of a compound of Formula I CYCl=CCl-CH2X, Formula I wherein Y is selected from chlorine and hydrogen and X is selected from chlorine, fluorine and bromine.

ABSTRACT PROCESS FOR THE PREPARATION OF DIBENZENESULFONIMIDE The present invention provides a process for the preparation of dibenzenesulfonimide.

The present invention provides a process for the preparation of a compound of Formula I CYCl=CCl-CH2X,Formula I wherein Y is selected from chlorine and hydrogen and X is selected from chlorine, fluorine and bromine.

The present invention discloses a process for preparation of pentafluoroethane with high purity and yield employing a gas phase fluorination of halogentated organic alkylene with hydrogen fluoride in presence of a fluorination catalyst and removing the HC1 by distillation followed by separating HFC 125 alongwith CFC...

The present invention relates to a process for purification of 6-nitro-2,2,4,4-tetrafluorobenzodioxane obtained by recrystallization from hexane. It has been identified in the present invention that use of hexane as a solvent yields 6-nitro-2,2,4,4-tetrafluorobenzodioxane with purity upto 99.8 %. Hexane can be recov...

The present invention provides a process for the preparation of a compound of Formula VI

The present invention provides a process for the purification of a compound of Formula I. wherein X is selected from H, F, Cl, Br, I, OH, NO2, SO3H, aryl group, heterocycle group, C3-C10 cycloalkyl.

The present invention provides a process for the preparation of a compound of Formula I.wherein R is selected from C1-C6 alkyl, substituted C1-C6 alkyl group with optionally substituted C1-C4 alkoxy or C1-C4 haloalkoxy group, C1-C6 halo alkyl, C3-C10 cycloalkyl, aryl and benzyl.

ABSTRACT PROCESS FOR THE PREPARATION OF 5-HALO BENZONITRILES The present invention provides a process for the preparation of 5-halo benzonitriles of formula I. Formula I where X and Y are independently selected from fluorine, chlorine, bromine and iodine.

ABSTRACT PROCESS FOR THE PREPARATION OF HALOGENATED DERIVATIVES OF AROMATIC ETHERS The present invention relates to the process for the preparation of halogenated derivatives of aromatic ethers of formula I. Formula I wherein R and R’ together are an oxygen atom, and X represents a hydrogen, fluorine, chlor...

The present invention provides a process for the preparation of hydroxyl pyrazoles of Formula I. Formula I R1 is selected from C1-5 alkyl group.

The present invention provides a process for the preparation of 3-(3-(trifluoromethyl) phenyl) prop-2-yn-1-ol of Formula I. Formula I

The present invention provides a process for the preparation of 1-chloro-2, 2-difluoroethane by gas phase fluorination of 1, I, 2-trichloroethane and/or 1, 2-dichloroethene. The present invention also provides a process for purification of 1-chloro-2,2-difluoroethane.

The present invention provides a process for the preparation of substituted and un-substituted benzylamines of Formula I.

The present invention provides a process for the preparation of a compound of Formula I. F3C   O  CF2CF3 F3C F Formula I

The present invention provides a process for the preparation of a compound of formula II. O X Y H3C FORMULA II

The present invention provides a process for the preparation of fluorobenzenesulfonyl chlorides of formula II. Cl OS O F n Formula II

ABSTRACT PROCESS FOR THE PREPARATION OF SUBSTITUTED BENZOTRIHALIDE The present invention provides a process for the preparation of compound of Formula I; Formula I wherein X is selected from the group consisting of fluorine, chlorine, bromine and iodine; Y is selected from X and -NR1R2; R1 and R2, indepen...

The present invention provides a process for the preparation of a compound of Formula I. F3C—CF2 /=O F3C (— F CF3

The present invention is directed to a process for preparation of difluoromethane sulfonyl chloride by chlorooxidation of difluoromethylbenzyl sulphide in presence of water and a water immiscible organic solvent which gives a good yield and high purity product. The process can be conveniently scaled up for use in a ...

The present invention provides a process for the preparation of a compound of Formula I

The present invention relates to the process for the preparation of 2,2-difluorobenzo-1,3- dioxolecarboxylicacid of Formula I.

The present invention relates to the process for preparing 2,2-dichlorobenzo-1,3-dioxole of Formula I. The present invention also relates to the process for preparing 5-bromo-2,2- difluorobenzo-1,3-dioxole of Formula III.

The present invention relates to the process for the preparation of pure haloacetamide of Formula I.

The present invention provides a process for the preparation of a compound of Formula I. Formula I whereinR1 is C1-C12haloalkyl.

The present invention provides a process for the preparation of substituted fluorobenzenes.

The present invention provides a process for the preparation of halogenated benzene derivatives

The present invention relates to a process for the synthesis of alkenone ethers.

The present invention provides a process for the preparation of pure hydroxy pyrazoles of Formula I.

The present invention relates to a process for preparation of tetrafluoroethane sulphonic acid. Tetrafluoroethane sulphonic acid more commonly known as TFESA is a compound with the chemical formula HCF2-CF2 -SO3H. It is one of the super acid produced from TFE and finds application as a catalyst in various chemical r...

The present invention provides a process for preparation of trifluoromethanesulfonic acid.

PROCESS FOR THE PREPARATION OF OLEFINS The present invention provides a process for the preparation of olefins.

The present invention provides a process for the preparation of N-alkylated fluorine-containing pyrazolecarboxylic acid derivatives of Formula I. The present invention further provides a pyrazole compound of formula IIIa.

The present invention provides an industrially advantageous, safe, eco-friendly and efficient process for the preparation of substituted benzyl alcohol by reduction of substituted benzoate.

The present invention relates to a process for preparation of halo substituted alkane compounds of formula 1. Halo substituted alkanes are useful intermediates in pharmaceuticals and agrochemical industry. These compounds can also be used with special advantage as heat transfer agents and have acquired importance fo...

The present invention provides a process for the preparation of chlorodifluoroacetic anhydride from chlorodifluoroacetic acid by reacting chlorodifluoroacetic acid with oleum and refluxing the reaction mixture followed by distillation to obtain pure chlorodifluoroacetic anhydride. The process uses cheap and readily ...

Present invention relates to a process for preparation of trihalomethyl benzoyl chloride of Formula I. The process comprises of reacting chlorine with trihalomethyl benzaldehyde of Formula II in presence of a free radical generator preferably Azobis(isobutyronitrile)(AIBN) and UV light at a temperature in the range ...

The present invention relates to a process for the preparation of perfluoroethyl bromide by reacting tetrafluoroethylene with bromine and hydrogen fluoride in the presence of a lewis acid catalyst and chlorinating agent at a temperature ranging from 60-170°C. The process of current invention uses readily available r...

A process for vapor phase fluorination of methylene chloride with anhydrous hydrogen fluoride (AHF) in the presence of a coprecipitated chromia-alumina impregnated with zinc salt as catalyst, removing HCI and heavier components by distillation, subjecting HFC-32 rich cut to a further step of fluorination in the pres...

The invention provides a process which can reduce the impurity of 1,1,2,2-tetrafluoroethane and 2-chloro- 1,1,1,2-tetrafluoroethane from HFA 134a without the need of tedious distillation. The process comprises of contacting impure 1,1,1,2-tetrafluoroethane with polyethylene glycol to remove the impurities of 1,1,2,2...

The present invention relates to a novel process of preparation of trifluoroacetyl fluoride by the reaction of trichloroacetyl chloride and anhydrous hydrofluoric acid by vapor phase reaction on a chromia- alumina catalyst impregnated with Zinc salt. Higher selectivity of trifluoroacetyl fluoride is obtained at high...

The invention provides a process for removal of impurities from 1,1,1,2-tetrafluoroethane. The process comprises of passing 1,1,1,2-tetrafluorochane with a column packed with molecular sieves of sodium aluminosilicate having a mean pore size in the range of 3 A to 13A. The impurity is absorbed and pure product is ob...

The invention relates to a process for preparation of chlorodifluoroacetonitrile. The process involves contacting chlorodifluoroacetamide with trifluoroacetic anhydride in presence of an organic base. The reaction is generally carried at atmospheric temperature and pressure conditions.

The present invention relates to a process for preparation of trifluoroacetyl chloride by reacting chlorinatedacetyl chloride with trifluoroacetyl fluoride. The reaction can be carried out in liquid or vapour phase in presence or absence of the catalyst.

The present invention relates to a novel process of preparation of difluoroacetyl fluoride and its derivatives from 1- alkoxy 1,1,2,2 tetrafluoroethane of the formula CHF2-CF2-O-R, wherein R is C1-4. In this process difluoroacetyl fluoride is obtained from 1- alkoxy, 1,1,2,2-tetrafluoroethane...

The present invention relates to a process for preparation of perfluoroalkyl halide. More particularly, the present invention relates to a process for preparation of perfluoroalkyl halide by heating metal salt of ester of fluorine and an iodine in presence of sulpholane.

The present invention relates to a process for preparation of heptafluoroisopropyl iodide by the reaction of hexafluoropropene, an alkali metal fluoride and iodine in the presence of a polar aprotic solvent, followed by purification of product and recovery of iodine.

The present invention relates to a process for preparation and purification of 4-heptafluoroisopropyl-2-methyl aniline by the reaction of ortho toluidine with heptafluoro isopropyl bromide in a homogeneous mixture of a polar aprotic solvent and water in absence of phase transfer catalyst.

Present invention discloses a process in which ammonolysis of 2,2,2-trifluoroethyl chloride (R-133a), is performed in presence of tetrabutyl ammonium bromide (TBAB). The process has improved yield and conversion as compared to process of prior art. The product is formed in high yield and without the need for costly ...

The present invention relates to a process for the preparation of monomethylhydrazine. More particularly, the present invention relates to a process for the preparation of monomethylhydrazine which comprises reacting under heating hydrazine hydrate with methanol and hydrochloride(gas).

The present invention relates to a process for the preparation of trifluoroacetyl fluoride by reacting trichloroacetyl chloride with anhydrous hydrogen fluoride in vapor phase using a chromia-alumina catalyst impregnated with Zinc salt.

The present invention provides a process for the preparation of a compound of Formula I. Formula I

The present invention provides a process for the preparation of a compound of Formula I

The present invention provides a process for the preparation of a compound of Formula I.

The present invention provides a process for the preparation of halofluorenes of Formula I.

The present invention provides a process for the preparation of a compound of Formula I Formula I

The present invention is to provide a process for preparation of compound of Formula I, Formula I having purity greater than 97%.

The present invention relates to an improved process for preparation of trifluoropyruvate compounds of formula 1. Trifluoropyruvate compounds are very useful intermediates in pharmaceutical and agricultural industry. These compounds are used to synthesize anti-inflammatory, anti-cancer and anti-viral drugs.     ...

The present invention relates to an efficient and industrially advantageous process for purification of N-oxide pyridine derivative of formula I. FORMULA I

The present invention provides a process for the preparation of a compound of Formula I

The present invention provides processes for preparation of substituted pyrazole compounds of formula II, that can be used as intermediates for preparation of substituted piperidine urea compounds useful for the treatment of dilated cardiomyopathy (DCM). Formula II R2 is independently selected from F, C1-C4 al...

The present invention provides processes for preparation of substituted pyrazole compounds of formula II, that can be used as intermediates for preparation of substituted piperidine urea compounds useful for the treatment of dilated cardiomyopathy (DCM). Formula II wherein, R2 is independently se...

The present invention provides a process for the preparation 2-bromo-3,3,3-trifluoro-1 -propene Bromotrifluoropropenes e.g., 2-bromo-3,3,3-trifluoro-l-propene are very useful fire extinguisher and has desirable low ozone depletion potential (ODP) and global warming potential (GWP).

The present invention relates to quaternary refrigerant compositions, particularly for use as replacements in air conditioning and refrigeration equipment currently employing, or designed to employ, chlorodifluoromethane (R22).

The present invention relates to a process for the preparation of 3,5-difluorobenzyl derivatives from 2,4-dichloronitrobenzene. 3,5-difluorobenzyl derivatives is used as an important intermediate for synthesizing the agrochemical and pharmaceutical products.

The present invention provides a process for preparing halopropenes of formula CF3CY-CXaHb, wherein X and Y are independently hydrogen or a halogen selected from fluorine, chlorine, and bromine; and a and b are independently integers equal to 0, 1 or 2, provided that (a+b)=2, by dehydrohalogenating halopropanes of f...

The present invention provides a novel, commercially viable process for producing substituted pyridine derivatives of formula I Formula I wherein X and X1 are independently selected from a halogen, CX13 is present at either 3-position or 5-position; R is independently selected from C1-C3 alkyl; n ranges from 1-...

The present invention relates to process for preparation of substituted benzyl bromide of formula 1, using hydrobromic acid in presence of a dehydrating agent. wherein X represents C1-C4 alkyl, fluoro, chloro, or bromo groups; n is an integer of 1-5.The substituted benzyl bromide derivatives are an important pharmac...

The present invention provides an improved process for preparation of halogenated benzylamine of formula I from halogenated benzonitriles.

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises of 1,3,3,3-tetrafluoropropene, difluoromethane and at least one other compound. The compositions of the present invention are useful in processes for producing cooling or ...

The present invention relates to preparation of dihalobromobenzene. The dihalobromobenzene compounds are important pharmaceutical and agriculture, intermediates for the synthesis of certain herbicidal compositions for preventing or destroying undesired plant.

The present invention provides a process for preparation of 4,4,4- trifluorobut-2-en-1-ol from alkyl 4,4,4-trifluorobut-2-enoate and also provides one step process for preparation of alkyl 4,4,4-trifluorobut-2-enoate from corresponding hydroxy derivative using mild and easily available reagents. ...

The present invention provides a process for preparation of tetrafluoropropene by reacting difluoromethane with difluorochloroethene in the presence of an activated aluminium catalyst.

The present invention provides a process for preparation of 1,1,1,2-tetrachlorodifluoroethane in liquid phase reaction at a low temperature by reacting 1,1-dichloro-2,2-difluoroethene with an electrophilic chlorinating agent.

The present invention provides a continuous vapour phase process for preparation of 1,1-difluoroethane (HFC-152a) that has essentially no ozone depletion potential (ODP) and has low global warming potential (GWP), and therefore, it has been found to be an acceptable refrigerant and, in some cases, as potential blowi...

The present invention provides a process for purification of 1,1-difluoroethane using pressure swing distillation. 1,1-difluoroethane (HFC-152a) has essentially no ozone depletion potential (ODP) and low global warming potential (GWP), and therefore, it has been found to be acceptable refrigerants and, in some cases...

The present invention provides a process for preparation of chloro substituted difluoropropanes. These compounds are important intermediates in synthesis of various hydrofluoroolefins, more particularly, tetrafluoropropene. The main object of present invention is to provide an alternate and two steps process for the...

The main object of present invention is to provide an economic and one step process for preparation of chlorosubstituted difluoropropanes from 2,3-dichloropropene. In-addition, it provides a process for preparation of chlorosubstituted difluoropropanes from allyl chloride and intermediate thereof. The present invent...

The present invention provides a process for preparation of halogen-containing benzoic acid of formula I. Formula I wherein X1 is selected from chloro, fluoro and H, provided that at least one of X1 is chloro or fluoro. Halogen substituted benzoic acids are important raw material for preparing photosensitizer...

The present invention provides a process for preparation of 2,3,3,3-tetrafluoropropene from chlorodifluoropropanes. Hydrofluoroolefins, particularly, tetrafluoropropene are important compounds and possess several applications as refrigerants, blowing agent and solvents.

The present invention provides a process for the preparation of halogenated methylpyridines with a high reaction rate and high selectivity. Formula-I wherein X represents halogen, amino, aryloxy, alkoxy, cyano, alkyl or carboxy; X1 represent halogen; n represents an integer of from 1 to 3 and m is 1 or 4. ...

The present invention provides a process for preparing 2-fluoro-haloalkylpyridines of Formula I, Formula I wherein n represents an integer 1 or 2; m and o independently represents an integer from 0-5, which are useful as intermediates for pharmaceuticals and agrochemicals industries. ...

The present invention provides a process for separation of substituted trihalomethylpyridines. Formula-I Formula-II wherein X is independently selected from F, Cl and Br; n is an integer from 1-3, n1 and n2 are an integer ...

The present invention provides a process for preparation of substituted aminopyridines of formula 1, Formula 1 wherein X and X1 are independently selected from a halogen, R is independently selected from hydrogen or C1-C3 alkyl; n ranges from 0-3. These compounds are an important intermediate for preparation o...

PROCESS FOR PREPARATION OF FLUORINATED AROMATIC COMPOUNDS The present invention relates to a process for fluorination of aromatic compounds of Formula IV. Formula IV

The present invention provides a cost-effective and a scalable process for preparation of perfluoropropyl vinyl ether by circumventing the use of co-catalyst and introducing a step of recycling HFP thereby increasing the overall efficiency of the process at industrial scale. Perfluoropropyl vinyl ether is thermopl...

The main object of present invention is to provide an improved process for preparation of difluorocyclopropane derivatives. The process of present invention is economical and industrially doable as compared to existing processes.

The present invention provides a simple, cost effective, industrially safe, and viable process for preparation of 2-hydroxy ethyl trifluoromethyl ether.

The present invention relates to refrigerant compositions, particularly for use as replacements in air conditioning and refrigeration equipment currently employing, or designed to employ, chlorodifluoromethane (R22).

The present invention relates to an industrially advantageous, efficient and safe process for preparation of compound of formula I by using salt of sulfide. Formula I

The present invention relates to an improved process for preparation of trifluoromethyl substituted benzene derivatives of formula 1. Trifluoromethyl benzenes are very useful intermediates in the selective separation of brominated aromatic compounds using the polymer-based separation media by the fragment impr...

The present invention relates to an efficient and industrially advantageous process for preparation of pyridinone derivative having formula I. FORMULA I

The present invention provides a process for preparation of halo substituted benzoic acid compound of formula 1 and intermediates thereof. Formula 1

The present invention relates to a process for preparation of olefins containing fluorine.

The present invention provides a process for the preparation of a compound of Formula VI

The present invention provides a process for the preparation of tetrafluoro ethylene.

The present invention provides a process to prepare hexafluoropropene (HFP).

The present invention provides a process for the preparation of compound of formula II. FORMULA II

The present invention provides a process to prepare hexafluoropropene (HFP).

The present invention relates to an improved process for preparation of compound of formula 1. wherein R represents halogen, hydroxyl, methoxy, ethoxy, propoxy, 2-propoxy, n-butoxy, iso-butoxy, sec-butoxy, tert-butoxy, n-pentoxy, iso-pentoxy, sec-pentoxy, or tert-pentoxy. Preferably, R is methoxy, ethoxy, hydr...

The present invention provides an industrially advantageous and an improved process for the preparation of fluorinated aromatic compounds of formula I. R1 X2 *1 Formula I wherein R1 is hydrogen or Ci- C6 alkyl and X1 and X2 are F or Br, provided that X1 and X2 are not same.

The present invention provides an improved process for the preparation of 2,3,3,3-tetrafluoropropene by recycling the reaction by-products and attaining an equilibrium between feed and outlet composition.

The present invention relates to an industrially advantageous, efficient and safe process for preparation of pure compound of formula I. Formula I These compounds are useful as an important intermediate for synthesizing the agrochemical and pharmaceutical products.

The present invention provides an improved process for preparation of fluoro substituted benzyl bromides of formula I.

The present invention provides an in-situ process for preparation of a compound of formula 1 and intermediate thereof, Formula 1 These compounds are useful chemical intermediates for the production of pesticides and pharmaceutical products.

The present invention provides a process for preparation of fluorinated aromatic compounds of formula I. Formula I wherein “Z” represents carbon or nitrogen atom, “R” may be selected from hydrogen, alkyl, halogen, cyano, nitro, alkoxy, hydroxy and combination thereof, n represent 0-4. The fluorinated aromatic com...

The present invention is to provide simple, cost effective and industrially applicable selective process for preparation of mono or di halo substituted trichloromethyl pyridine by vapour phase chlorination by using a specific range of temperature.

The main object of the present invention is to provide simple, commercially viable and industrially applicable processes for preparation of fluoro substituted benzenes. The present invention provides a selective dehalogenation process for preparation of fluoro substituted benzenes.

The present invention provides a process for preparation of pyrazole derivatives of formula I and formula II. I RSTVR2 N —N V Formula I Formula II wherein R1 represents an alkyl group having 1 to 6 carbon atoms optionally substituted by halogen, a cycloalkyl group having 3 to 6 carbon atoms or an arylalkyl gr...

The present invention provides a process for preparation of 2,3,3,3-tetrafluoropropene. Fluoro olefins play an important role as refrigerants. In recent years a fluoro olefin viz. 2,3,3,3-tetrafluoropropene (HFO-1234yf) has attracted attention as a new refrigerant to replace another fluorinated refrigerants. ...

This invention relates to compositions comprising 2-bromo-2,3,3,3-tetrafluoropropane. The composition is very useful in preparation of blowing agents, closed cell foams, thermoplastic foams, cleaning compositions, flame suppressant compositions or aerosol compositions.

The present invention provides a process for preparation of difluoro acid and its derivatives using sulfur tetrafluoride. The difluoro acid and its derivatives are valuable intermediates in the field of medicine and agricultural chemicals and also find utility as electrolytes for secondary batteries and the batterie...

The present invention relates to a process for purifying olefin feed comprising of R-1234yf, R-40, R-134a, R-1225zc, R-134, and OFCB.

The present invention relates to a process for purifying olefin feed comprising R-22, R-1234yf, R-40, R-134a, R-134, R-1225zc, and OFCB by separating a binary azeotrope of 1234yf and R-134.

The present invention relates to a process for purifying olefin feed comprising R-1234yf, R-40, R-134a, R-134, R-1225zc, and OFCB by separating a ternary azeotropic composition comprising R-1234yf, R-134 and R-134a.

The present invention provides an improved process for decomposition of the diazonium salt in semi batch or continuous to prepare a compound of formula I. Formula I wherein “Z” represents carbon or nitrogen atom, “R” may be selected from hydrogen, alkyl, halogen, cyano, nitro, alkoxy, hydroxy and combination th...

The present invention relates to industrially advantageous and process for preparation of difluoropropionic acid and its ester derivatives.

The present invention relates to quaternary refrigerant compositions, particularly for use as replacements in air conditioning and refrigeration equipment currently employing, or designed to employ, chlorodifluoromethane (R22).

The present invention provides a processes for preparation of l,l,l-trichloro-2,2,2-trifluoroethane.

The present invention provides a processes for preparation of fluorine-containing benzylamine derivatives of formula I and intermediates thereof.

The present invention relates to azeotropic or azeotrope-like compositions comprising 1234yf and at least one component selected from a group comprising ofR-134, andR-134a.

The present invention provides a process for preparation of haloalkyl substituted phenol compounds of formula I.  Formula I wherein X represents a halogen group selected from fluoro, chloro, bromo and iodo and R1 represents C1-C3 alkyl group substituted with at least one fluorine atom.

The present invention relates to a process for producing fluoroalkyl substituted pyrazole-4-carboxylic acid represented by the formula I, which is useful as a synthetic intermediate for pharmaceuticals and agrochemicals. Formula I wherein R1 represents C1-C3 alkyl group and R2 represents C1 alkyl group substitu...

The present invention provides a process for preparation of halogen substituted haloalkyl amino pyridines of formula 1. wherein X is a halogen selected from chlorine, bromine, iodine and fluorine and R represents C1-C3 alkyl group substituted with at least one halogen atom. These compounds are an important in...

The present invention relates to a process for separating chlorocarbon from olefin comprising one or more selected from R-1234ze, R-1234yf, vinyledenefluoride, R-124a, HFP, OFCB, R-22, R-1122, R-236ca, R-226cb, R-32, TFE, trans R-1225ye, cis R-1225ye, R-1243zf, R-1234ze and R-40.

The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprises a 2,3,3,3-tetrafluoropropene and at least one other component. The compositions of the present invention are useful in processes for producing cooling or heat, as heat tra...

The present invention provides a process for the preparation of monofluoroethane with better conversion and selectivity at lower temperature and pressure.

The present invention relates to a process for purifying olefin feed comprising 1234yf by removing carbon monoxide. R-1234yf is used in refrigeration, air conditioning, and heat pumping systems. It has zero ozone depletion and low global warming potential, and is favorable refrigerant over other available refriger...

The main object of present invention is to provide an industrially applicable process for preparation of fluorinated benzylamine by improving reaction parameters.Formula I wherein n=1-5 Another object of present invention to provide a selective process for preparation of compound of formula 1. ...

The main object of present invention is to provide an industrially applicable process for preparation of oxo ester derivatives of formula I by eliminating solvent from the process, Formula I wherein R1 is methyl, ethyl, propyl, isopropyl and R2 is alkyl or cycloalkyl group. Oxo ester derivatives of formula I are ver...

The present invention relates to the process for preparing 2,2-difluoro-1,3-benzodioxole. The present invention also relates to the process for preparing 2,2-dichloro-1,3-benzodioxole which is used as an intermediate in preparation of 2,2-difluoro-1,3-benzodioxole.

A process for the preparation of tetrachloromethane using trichloromethane. Tetrachloromethane is a valuable precursor in the synthesis of refrigerant and other commercial products.

The present invention provides a processes for preparation of 2,3,3,3- tetrafluoropropene using a mixture of trichlorodifluoropropanes. 2,3,3,3-Tetrafluoropropene (HFO-1234yf) is a hydrofluoroolefin which has low global warming potential (GWP) and zero ozone depleting potential (ODP). It is been proposed as a replac...

The present invention provides a process for preparation of trichlorodifluoro propane compound of Formula 1. wherein X1 and X2 represents chlorine or fluorine; provided that X1 and X2 are not same. The compound of formula 1 can be used for the preparation of refrigerants such as 1,3,3,3-tetrafluoropropene and 2,3,3...

The present invention provides a process for preparation of substituted 2-hydroxypyridine compound of Formula I, Formula I wherein R1 is halogen, C1-C3 alkyl group substituted by at least one halogen atom. These compounds are valuable intermediates for preparation...

The main object of present invention is to provide an economic and industrially applicable process for preparation of fluorinated benzenesulfonyl fluoride of formula I by improving reaction parameters and eliminating use of sequestering agent. Formula I wherein n=1-5 The fluorinated benzene sulfonyl fluorides are...

The present invention provides an improved process for preparation of a compound of Formula I, Formula I wherein R1 is substituted or unsubstituted alkyl or aryl group. The 2,2-difluorocyclopropane carboxylic acid derivatives find significance in a variety of organic synthesis and are used in preparation of ...

The main object of the present invention is to provide a new and industrially applicable process for the preparation of difluorocyclopropane derivatives, Formula I wherein, R1 and R2 are hydrogen, substituted or unsubstituted alkyl or aryl group, halogen, RCOO groups; wherein R is a substituted or unsubstitut...

The present invention provides a process for preparation of a compound of formula 1, wherein, R is C1-10 alkyl, halo C1-10 alkyl, aryl, substituted aryl, hetero aryl or substituted hetero aryl; and Xa is Cl, Br, I or F. The compounds of formula 1 are an important intermediate in the preparation of var...

The present invention provides a process for preparation of a compound of formula 1, wherein X is a halogen selected from chlorine, bromine, iodine and fluorine, These compounds are important intermediates for preparation of herbicidal agents. These compounds are also useful in the synthesis of various agro...

The present invention provides a process for purification of 2,3,3,3-tetrafluoropropene (HFO 1234yf) using an adsorbent, preferably molecular sieves having a pore opening with a diameter of 10 Å.

The present invention provides an industrially applicable one pot process comprising simultaneous chlorination and fluorination for preparation chlorinated trifluoromethylpyridines using a catalyst in absence of a solvent. The chlorinated trifluoromethylpyridines serve as important intermediates in agrochemical in...

The present invention is related to an industrially applicable process for the preparation of chlorinated pyridine by chlorinating 3-methylpyridine in vapour phase in presence of zeolite catalyst. Chlorinated pyridines are highly valuable intermediates in the agricultural chemical field.

The main object of present invention is to provide an economical and industrially applicable process for preparation of sultones of formula I. Formula I wherein n is 1-3 Sultones such as 1,3-propanesultone and 1,4-butanesultone are widely used as electroplating intermediates, pharmaceutical intermediates, p...

The main object of present invention is to provide an industrially viable process for the preparation of halogenated esters of formula I, that are useful intermediates for preparation of cyclopropane carboxylic acid derivatives. Formula I wherein R1 is independently selected from hydrogen, halogen alkyl, haloge...

The main object of present invention is to provide an industrially viable process for the preparation of cyclopropane acid of Formula I and derivatives thereof, that are useful intermediates in pharmaceutical and agrochemical industry, Formula I wherein R1 is independently selected from hydrogen, halogen, alkyl...

The present invention relates to a coated biaxial oriented polyester film and process for preparation thereof wherein the coating composition consists of: acrylic coating; polyurethane coating; and a polyaziridine based cross linker. This film can withstand high temperature and water conditions under pressure with...

The main object of present invention is to provide a process for purification of tetrafluoropropene comprising the step of condensing the feed comprising 2,3,3,3-tetrafluoropropene, hydrogen fluoride and at least one compound selected from hydrogen chloride, 2-chloro-3,3,3-trifluoropropene, 1,1,1,2,2-pentafluoroprop...

The main object of the present invention is to provide a process for removal and recovery of hydrogen fluoride using metal salt. The present invention also provides 10 a continuous and efficient process for purification of fluorocarbons contaminated with hydrogen fluoride. The present invention finds applications...

The present invention provides a composition comprising dichloromethane and hydrofluoroalkenes. These compositions are very useful as blowing agents, in cleaning or deposition of certain types of lubricants, as a dust off, freeze spray, or tire inflator.

The present invention provides a composition comprising tetrafluoroethane and one or more components selected from R152a and R125. These compositions are very useful as blowing agents, solvents, aerosols for cleaning or deposition of certain types of lubricants, as a dust off, freeze spray or tire inflator. ...

The main object of present invention is to provide a process for co-production of fluoropropene and difluoromethane from a solution of chlorofluoropropanes in dichloromethane. The mixtures containing fluoropropenes and hydrofluorocarbons find plenty of application in refrigeration, air conditioning and heat pump sys...

The present invention provides a composition comprising dichloromethane and one or more hydrofluoroalkane. These compositions are very useful as blowing agents, in cleaning or deposition of certain types of lubricants, as a dust off, freeze spray, or tire inflator.

The main object of present invention is to provide a process for removal and recovery of hydrogen fluoride from a gas stream containing tetrafluoropropene contaminated with hydrogen fluoride. The present invention provides an economical and industrially viable process for purification of tetrafluoropropene from a ga...

The present invention provides an improved process for preparation of anisole from phenol using waste sodium methyl sulfate, and reactive distillation technique. Anisole can be used as additive in soap and detergent. These can also be used as intermediate in synthetic perfumes, dyestuff and insecticides. Anisole can...

The present invention provides a continuous flow and batch process for preparation of a compound of formula I. The compound of formula I serve as important intermediate of pharmaceuticals and agricultural chemicals, or as a reagent for introducing fluorine-containing groups, Formula I wherein R1 and R2 are inde...

The present invention provides an economical, simple and commercially viable process for purification of 2,3,3,3-tetrafluoropropene from a composition comprising 2,3,3,3-tetrafluoropropene, hydrogen fluoride and at least one compound selected from hydrogen chloride, 2-chloro-3,3,3-trifluoropropene, 1,1,1,2,2-pentafl...

The present invention provides a one pot process for preparation of N-alkyl hydroxypyrazoles. N-alkyl hydroxypyrazole compounds are useful as intermediates for agricultural chemicals, particularly herbicides. These compounds also serve as useful precursors for the preparation of pharmaceuticals. ...

The present invention provides a process for preparation of allyl alcohols and derivatives thereof using a technique of parallel dosing. The allyl alcohols and derivatives thereof find significance in a variety of organic synthesis and are used 10 in preparation of agrochemicals and pharmaceutical intermediates. ...

The present invention provides a process for the preparation of pure compound of Formula I. Formula I

The present invention provides a process for preparation of an acid salt of fluorinated alkylamine of Formula I. These compounds are very useful in the organic synthesis and have wide applications as intermediate in pharmaceutical and agricultural industrially, Formula I wherein R is fluoroalkyl, HX is an aci...

The present invention provides a process for fluorination of ketones to prepare a compound of formula I, Formula I wherein, R1 and R2 are aryl, alkylaryl, halogen substituted alkyl, alkylaryl or aryl group. The compound of formula I produced by the process of the present invention represents a well-known ...

The present invention provides an improved process for the preparation of 2,3-dihalo-6-trifluoromethylbenzene derivatives of Formula I using a flow reactor, Formula I wherein X1 and X2 are independently selected from fluoro or chloro; Z represents COOH, CONH2, CN, CHO, CH=NOH or COOR’, wherein R’ is C1-C4 alk...

ABSTRACT PROCESS FOR PREPARATION OF SUBSTITUTED ALKANOLS The present invention provides a process for preparation of a compound of formula 1, Formula 1 wherein R1, R2, R3 and R4 is selected independently from fluorine, hydrogen, methyl, fluoromethyl; and n is any number selected from 1 to 10. The substit...

The invention relates to quenching system and designs for the process for preparation of fluorinated olefins involving a step of pyrolysis of halogenated or non-halogenated methanes and halogenated or non-halogenated ethenes/ethanes at elevated temperatures.

The present invention provides a process for preparation of a compound of formula 1, Formula 1 wherein R1, R2, R3 and R4 is selected independently from fluorine, hydrogen, methyl and fluoromethyl; and n is any number selected from 1 to 10. The substituted alkanols are useful as solvent for preparing a photor...

The invention relates to a process for preparing fluorinated hydrocarbons comprising the step of atomizing the chlorinated hydrocarbon to extend catalyst life and inhibit catalyst deactivation.

ABSTRACT PROCESS FOR PREPARATION OF TRIFLUOROPHENYL ACETIC ACID AND INTERMEDIATE THEREOF The present invention provides an economical and environment friendly process for preparation of 2,4,5-trifluorophenyl acetic acid of high purity and intermediates thereof using easily available and cheap raw material, wit...

ABSTRACT PROCESS FOR THE PREPARATION OF TRIHALOBENZENES AND INTERMEDIATES THEREOF The present invention provides a process for the preparation of trihalobenzenes of formula I, Formula I wherein X independently represents a fluoro or chloro, Trihalobenzenes find significance in a variety of organic synthe...

ABSTRACT PROCESS FOR PREPARATION OF ORTHOESTERS The present invention provides a process for preparation of compound of formula I, Formula I wherein R is alkyl group selected from methyl, ethyl, propyl Orthoesters are of high importance in organic synthesis and used in preparation of complexed molec...

In an aspect, the present invention provides a process for preparation of a compound of formula I, Formula I wherein X is selected from chloro or fluoro. The 4,6-dihydroxy-5-halopyrimidines are important raw material for preparing photosensitizer, medicine and pesticides, and find applications in pharmaceutic...

The present invention provides a process for preparation of 1-nitro-4-(trifluoromethoxy)benzene. 1-Nitro-4-(trifluoromethoxy)benzene is a very useful intermediate in pharmaceuticals, pesticides, dyes, liquid crystal materials and electronic chemicals.

The present invention provides a selective, cost effective and industrially viable process for preparing HFO-1234ze(E) and HCFO-1233zd(E) by limiting the formation of corresponding Z-isomer. HFO-1234ze being environmentally benign are being developed to replace saturated chlorofluorocarbons for use in the industry a...

The present invention provides an economical and safer process for preparation of 2,4,5-trifluorophenyl acetic acid of high purity using easily available and cheap raw material, without involving any purification step. The present invention process involves simple operations and can be easily implemented at industri...

The present invention provides a process for preparation of halomethylbenzene derivatives of formula I such as 4-(halomethyl)-l-alkoxy-2-(trifluoromethyl)benzene, which is used as an intermediate in agrochemical and pharmaceutical industry, Formula I wherein R1 represents an alkyl group; R2 represents an alkyl ...

ABSTRACT COMPOSITIONS COMPRISING DICHLOROMETHANE AND POLYOL ESTER The present invention provides compositions comprising dichloromethane, polyol ester and one or more compounds selected from a group consisting of hydrofluoroalkenes and hydrofluoroalkanes. These compositions are very useful as blowing agents. ...

The present invention provides a process for preparation of 5-amino substituted phenyltriazolone of formula I, said compound is a key intermediate for preparing herbicides, Formula I wherein X is selected from halogens.

The present invention provides an improved process for preparation of halogenated benzylamine using a continuous flow reactor. Halogenated benzylamines are widely used as raw material for pharmaceutical intermediates, agrochemicals, drugs, dyes etc. 2,4,6-trifluorobenzylamine is an intermediate for N-(2,4,6- trifluo...

The present invention provides a process for preparation of nicotinamide compounds and derivatives thereof using completely anhydrous conditions. Nicotinamides compounds are useful for pesticides. These are important synthetic building blocks for the preparation of agrochemical active compounds, such as flonicamid, ...

The present invention provides a process for preparing 2,5-dichloropyridine from multi-halo substituted pyridines. The 2,5-dichloropyridine constitute valuable intermediate products for production of agrochemicals, as for instance, herbicides or insecticides and for synthesizing pharmaceuticals. ...

The present invention provides a process for purification of trans-1,3,3,3-tetrafluoropropene to produce the propellant grade trans-1,3,3,3-tetrafluoropropene. The trans-1,3,3,3-tetrafluoropropene has essentially no ozone depletion potential (ODP) and low global warming potential (GWP). 1234ze obtained by the proces...

The present invention provides a process for purification of 1,1-difluoroethane to produce the propellant grade R152a. The 1,1-difluoroethane (HFC-152a) has essentially no ozone depletion potential (ODP) and low global warming potential (GWP). R152a obtained by the process is of high purity and therefore suitable fo...

The present invention provides an industrially applicable process for preparation of chlorinated trihalomethylpyridine. The chlorinated trihalomethylpyridines serve as important intermediates in agrochemical industry for example for synthesis of fluazinam and fluopicolide.

The present invention provides an industrially feasible process for preparation of derivatives of nicotinaldehyde of formula I. CHO Formula I wherein R is one or more optionally substituted C1-C2 alkyl. The derivatives of nicotinaldehyde are useful synthetic building blocks for preparation of various phar...

The present invention provides a process for preparation of substituted phenols from anilines of formula II by diazotisation in absence of organic solvent, followed by decomposition. Fluorophenols compounds are useful in the pharmaceutical industry to form antibacterial and anti-inflammatory drugs. ...

The present invention provides a process for the preparation of substituted benzylbromides that are important intermediate for the preparation of pharmaceuticals and agrochemicals.

AN IMPROVED PROCESS FOR PREPARATION OF ALKENONE ETHERS The present invention relates to an improved process for the preparation of alkenone ethers of Formula I, R1COCH=CH-OR2 Formula 1 wherein, R1 represents a methyl substituted by at least one fluorine; R2 represents methyl or ethyl group. The alkenone ethers...

A PROCESS FOR REMOVAL OF SULPHUR OXIDES FROM HALOGENTED ORGANIC COMPOUNDS The present invention provides an improved process for purification of halogenated compounds by efficiently removing sulphur oxide impurities using inert gas. Halogenated compounds are valuable reagents for manufacture of various products in ...

The present invention relates to a process for preparation of trihalobenzyl alkyl ketones, represent as compound of Formula I. The trihalobenzyl alkyl ketones are used in a wide variety of applications. Formula I wherein X independently represents a chloro or fluoro group and R represents an alkyl group, The 2...

The present invention provides an economical and environment friendly process for preparation of 2,3,6-trihalobenzyl alkyl ketones of high purity and intermediates thereof, using easily available and cheap raw material, without involving any purification step. The present invention process involves simple operations...

The present invention provides an economical and environment friendly process for preparation of 2,3,6-trihalophenylacetic acid and intermediates thereof using easily available and cheap raw material. The present invention process involves simple operations and can be easily implemented at industrial scale. The 2,3,...

ABSTRACT “COMPOSITIONS COMPRISING HYDROCHLOROFLUOROALKENES” The present invention provides a composition comprising hydrochlorofluoroalkenes alone or in combination with other agents. The present invention may be used as foamable compositions for refrigerator foams, freezer foams, refrigerator/freezer foams, panel...

ABSTRACT “PROCESS FOR PREPARATION OF TRIAZOL-5-ONE DERIVATIVE” The present invention provides a process for preparation of a compound of formula I by single step chlorination. These compounds are very useful and have wide applications as intermediate in agricultural industries, Formula I wherein R is hydroge...

ABSTRACT AN IMPROVED PROCESS FOR PREPARATION OF ALKENONE ETHERS The present invention relates to an improved process for the preparation of alkenone ethers of Formula I, R1COCH=CH-OR2 Formula 1 wherein, R1 represents a methyl substituted by at least one fluorine; R2 represents methyl or ethyl group. The alken...

ABSTRACT “PREPARATION OF (Z)-2,2,2-TRIFLUORO-N-(PIPERAZIN-2-YLIDENE)ACETOHYDRAZIDE” The present invention provides an industrially viable process for preparation of (Z)-2,2,2-trifluoro-N-(piperazin-2-ylidene)acetohydrazide in high yield and purity. (Z)-2,2,2-Trifluoro-N-(piperazin-2-ylidene)acetohydrazide is an im...

ABSTRACT “PROCESS FOR PREPARATION OF HYDROCHLORO FLUOROOLEFIN” The present invention relates to a process for preparation of hydrochlorofluoroolefins. Also, the present invention provides a separation process of hydrochlorofluoroolefins using layer separation assisted by the raw material.

ABSTRACT “PROCESS FOR PREPARATION OF HYDROFLUOROOLEFINS” The present invention relates to a process for preparation of hydrofluoroolefins. Hydrofluoroolefins find applications as refrigerants, heat transfer fluids, foam blowing agents, solvents, and aerosols, owing to their zero-ozone depleting potential and low g...

ABSTRACT The present invention relates to an effluent free process for preparation of a carboxylic acid chloride of formula (I) R1-C(O)Cl having a reduced content of impurities, wherein R1 is a fluorinated and/or chlorinated C1-C3 alkyl by the reaction of a carboxylic acid of formula (II) R1-C(O)OH with phosphoru...

ABSTRACT The present invention is to provide simple, cost effective and an industrially applicable selective process for preparation of trichloromethylpyridine, comprising the step of treating methylpyridine with chlorine in an ionic liquid.

ABSTRACT The present invention relates to process for preparation of substituted benzyl bromide of formula 1, using hydrobromic acid. Formula 1 wherein X represents C1-C4 alkyl, fluoro, chloro, or bromo groups; n is an integer of 1-5. The substituted benzyl bromide derivatives are an important pharmaceutic...

ABSTRACT “PROCESS FOR REMOVAL OF WATER FROM FLUOROCARBONS” The present invention provides a process for removal of water from a gas stream containing fluorocarbons using polyhydric alcohols. The present invention provides fluorocarbons substantially free of water that finds applications in various commercial field...

ABSTRACT “A PROCESS FOR PREPARATION OF 1-(CHLOROACETYL)-2-(TRIFLUOROACETYL)HYDRAZINE” The present invention provides a process for preparation of 1-(chloroacetyl)-2-(trifluoroacetyl)hydrazine, an intermediate for anti-diabetes active pharmaceutical ingredient. The present process involves simple operation of addin...

ABSTRACT “COMPOSITIONS COMPRISING HYDROFLUOROALKANES AND AN INERT GAS” The present invention provides a composition comprising difluoromethane (R32) and an inert gas. These compositions have ability to provide relatively low temperature cooling and are intended for use in environmental test chambers, freeze dryer...

ABSTRACT “COMPOSITIONS COMPRISING HYDROFLUOROALKANES AND CARBON DIOXIDE” The present invention provides a composition comprising hydrofluoroalkanes and carbon dioxide. These compositions have ability to provide relatively low temperature cooling and are intended for use in environmental test chambers, freeze dryer...

ABSTRACT “PROCESS FOR PREPARATION OF N-ALKYL HYDROXYPYRAZOLES” The present invention provides a process for preparation of N-alkyl hydroxypyrazoles. N-alkyl hydroxypyrazole compounds are useful as intermediates for agricultural chemicals, particularly herbicides. These compounds also serve as useful precursors for...

ABSTRACT The present invention provides an improved process for preparation of a compound of formula 1, Formula 1 The process involves considerable reduction of the impurity selected from a group consisting of 2-trifluoromethylbenzyl chloride; 3-trifluoromethylbenzyl chloride and 4-trifluorome...

ABSTRACT The present invention is to provide simple, cost effective and an industrially applicable selective process for preparation trichloromethylpyridines, comprising the step of treating methylpyridine with 1-chloropyrrolidine-2,5-dione in presence of a radical initiator.

ABSTRACT “PROCESS FOR ISOLATION OF HALOSUBSITUTED HYDROXY BENZOIC ACID” The present invention is related to a process for preparation of halosubsituted hydroxy benzoic acid compounds of formula I, Formula I wherein X is a halogen independently selected from chloro, bromo, and fluoro and n is 1-4. The halosub...

ABSTRACT “PROCESS FOR PREPARATION OF HALOSUBSITUTED BENZYL CHLORIDES” The present invention provides a process for preparation of halosubstituted benzyl chloride compounds in absence of any solvent and catalyst. The halosubstituted benzyl chloride compounds are important intermediate in the synthesis of pharmaceut...

The present invention provides a simple, cost effective and an environment friendly process for the preparation of methylene-1,3-dioxolanes using easily available solvents and reagents. The methylene-1,3-dioxolanes are important intermediates for preparing pyrazoles and anthranilic acid amides, which may be used a...

The present invention provides a process for preparation of 5-amino substituted phenyltriazolone of formula I, that is a key intermediate for preparing herbicides, Formula I wherein X is selected from hydrogen and halogen.

The present invention provides an integrated process for preparation of 1,1-difluoroethane (HFC-152a) and 1,1-difluoroethylene from a single hydrocarbon feed of 1,2-dichloroethane.

The present invention provides a process for the preparation of halosubstituted benzyl alcohol and its intermediate thereof, that have significance in a variety of organic synthesis and are used in preparation of agrochemicals and pharmaceutical compounds.

The present invention provides a process for preparing dichloropyridine from aminochloropyridines. The dichloropyridine constitute valuable intermediates for production of agrochemicals, as for instance, herbicides or insecticides and for synthesizing pharmaceuticals.

ABSTRACT The present invention relates to compositions for use in refrigeration, air-conditioning, and heat pump systems wherein the composition comprising hydrofluoroalkane such as 1,1,1,2-tetrafluoroethane, difluoromethane or the like.

ABSTRACT “PROCESS FOR PREPARATION OF N-ALKYL HYDROXYPYRAZOLES” The present invention provides a process for preparation of N-alkyl hydroxypyrazoles. N-alkyl hydroxypyrazole compounds are useful as intermediates for agricultural chemicals, particularly herbicides. These compounds also serve as useful precursors for...

ABSTRACT “PROCESS FOR PREPARATION OF PYRAZINE DERIVATIVE AND INTERMEDIATE THEREOF” The present invention provides a process for preparation of a compound of formula I by single step chlorination. These compounds have wide application as intermediate in pharmaceutical and agricultural industry, Formula I wher...

The present invention relates to a process for purification of substituted benzyl halides using a simpler, commercially feasible and environment friendly method 10 without using a solvent. The substituted benzyl halides are important intermediate in the synthesis of pharma molecules and specifical...

The present invention provides an alternative, cost effective and environment friendly process for preparation of hydrazine hydrate involving minimum effluent generation. The hydrazine hydrate is an important intermediate in synthesis of agrochemical and pharmaceuticals. It is also used as laboratory reagent in fi...

The main object of present invention is to provide an industrially viable process for the preparation of halogenated esters of formula I, that are useful intermediates for preparation of cyclopropane carboxylic acid derivatives. Formula I wherein R1 is selected from hydrogen, alkyl, halogenated alkyl; R2 is a...

The present invention provides a process for preparation of a compound of formula I. The compound of formula I find significance in a variety of organic synthesis and are used in preparation of agrochemicals and pharmaceutical intermediates. Formula I wherein R represents a hydrogen atom, alkyl or haloalkyl, ...

ABSTRACT “PROCESS FOR PREPARATION OF ALKYLBENZENES” The present invention provides a process for preparation of alkylbenzene. The alkylbenzenes find significance in a variety of organic synthesis and are used in preparation of agrochemicals and pharmaceutical intermediates.

ABSTRACT The present invention provides a process for preparation of halogen substituted nitrobenzoic acid of formula I. These compounds are an important intermediate in the pharmaceutical industry and find application as an intermediate in albaconazole, an antifungal and a neuroprotectant. Formula I wherein X...

ABSTRACT The present invention provides a process for preparation of chlorinated and fluorinated nitrobenzoic acid. The compounds of present invention are important intermediates in the pharmaceutical industry and find application as an intermediate of albaconazole, which is an antifungal agent and a neuroprotect...

ABSTRACT The present invention provides a process for preparation of aromatic amines using an encapsulated metal catalyst. Aromatic amines are useful intermediates in agriculture and pharmaceutical industries.

ABSTRACT The present invention provides a process for preparation of substituted nitrobenzoic acid of formula I. These compounds are an important intermediate in the pharmaceutical industry and find application as an intermediate in albaconazole, an antifungal and a neuroprotectant. Formula I Wherein X is a ...

The present invention provides a process for preparation of 4-chloromethyl-2,2-dimethyl-1,3-dioxolane, a very useful building blocks in organic synthesis, in non-aqueous conditions from epichlorohydrin.

The present invention provides a cost-effective method of separation and recycling of dimethyl carbonate in the process of preparation of esters. Aliphatic carboxylic acid esters, more importantly, the fluorinated aliphatic carboxylic acid esters are useful as surfactant, water and oil repellent agent, pharmaceutica...

The present invention provides a continuous flow and CSTR process for preparation of a compound of formula I. The compound of formula I serve as an important intermediate of pharmaceuticals and agricultural chemicals, or as a reagent for introducing fluorine-containing groups, Formula I wherein R represents a...

ABSTRACT “PROCESS FOR PREPARATION OF MONOMETHYLHYDRAZINE” The present invention provides a process for preparation of monomethylhydrazine. The monomethylhydrazine find significance in a variety of organic synthesis and are used in preparation of agrochemicals and pharmaceutical intermediates.

ABSTRACT “A PROCESS FOR PREPARATION OF DIFLUORO PROPIONIC ACID AND ITS ESTER DERIVATIVES” The present invention relates to industrially advantageous and process for preparation of difluoropropionic acid and its ester derivatives, wherein the improvement lies in the process for the preparation of haloketone using a r...

The present invention provides a process for preparation of pyridine carboxaldehydes using novel compounds and intermediates thereof. Pyridine carboxaldehydes and their intermediates are important precursors in the field of pharmaceuticals and agrochemicals.

The main object of the present invention is to provide a simple, safe, and commercially viable process for preparation of substituted amino methylpyridines in good yield and purity. These are important intermediates in the field of pharmaceuticals and agrochemicals.

The present invention provides a process for preparation of N-alkyl hydroxypyrazoles. N-alkyl hydroxypyrazole compounds are useful as intermediates for agricultural chemicals, particularly herbicides. These compounds also serve as useful precursors for the preparation of pharmaceuticals.

ABSTRACT “PROCESS FOR PREPARATION OF POLYHALOCARBOXYLIC ACID CHLORIDES” The present invention relates to an efficient process for preparation of a polyhalocarboxylic acid chlorides. The polyhalocarboxylic acid chlorides find significance in a variety of organic synthesis and are used in preparation of agrochemical...

The present invention provides a process for preparation of alkali and alkaline earth metal salts of haloalkyl carboxylic. The metal salts of haloalkyl carboxylic find significance in a variety of organic synthesis and are used in preparation of agrochemicals and pharmaceutical intermediates. ...

The present invention provides a process for purification of polyhalopropene to produce pure polyhalopropene. Polyhalopropene has essentially no ozone depletion potential (ODP) and low global warming potential (GWP).

The present invention provides a process for preparation of 2,3,3,3-tetrafluoropropene, to be used in several applications as refrigerants, blowing agent, solvents etc.

The present invention provides a process for simultaneous removal of water and acidity content from a gas stream containing fluorocarbons. The present invention provides fluorocarbons substantially free of water that finds applications in various commercial fields such as heat transfer, refrigerants, foaming ind...

The present invention provides a process for preparation of N-substituted hydroxypyrazoles. N-substituted hydroxypyrazole compounds are useful as intermediates for agricultural chemicals, particularly herbicides. These compounds also serve as useful precursors for the preparation of pharmaceuticals. ...

Substituted Imine compounds are widely used as raw material for pharmaceutical compounds and agrochemicals. The present invention provides a one pot process for the synthesis of substituted imine compounds.

The present invention provides a simple, safe, and economical process for preparation of substituted benzyl halides represented as a compound of formula I, Formula I wherein X represents independent halogens, R represents halogen, C1-C2 alkyl optionally substituted with halogen, n and m represents an intege...

The present invention relates to the process for preparing aromatic ether compound of formula I. Aromatic ethers are important intermediates for synthesizing the agrochemical and pharmaceutical products.

The present invention relates to a process for preparation of substituted salicylic acid. The chemistry of halogen-containing organic compounds has frequently been studied with a view to preparing substances of possible medicinal interest. Particularly halogenated salicylic acid is very useful and important interm...

The present invention provides a process for preparation of alkyl thioacetates, represented as compound of Formula I. The alkyl thioacetates, particularly alkyl methylthioacetates, are used as intermediate in pharmaceuticals and chemicals industries.

The present invention provides a process for preparation of tetrafluoropropenes and their intermediates, such as pentachloropropanes. Hydrofluoroolefins, particularly, tetrafluoropropenes are important compounds and find applications as refrigerants, blowing agent, solvents etc and can be prepared from intermediat...

Amino crotonates are useful as intermediates for agricultural chemicals, particularly herbicides. These compounds are of interest since they find use as intermediates for the synthesis of calcium channel blockers such nisoldipine, benidipine, nicardipine, in purification of various metals and as a catalyst for pol...