An improved process for preparing pure diosmin, comprising the following steps, a) dissolving hesperidine in a solvent followed by adding of sodium hydroxide under constant stirring, b) adding iodine portion wise within one hour to the mixture obtained at step (a), kept mixture constant for a period of 6-8 hrs at 80...

An inproved process for the preparation of ampicillin trihydrate via Danes salt, from D(-)-phyenyl glycine and potassium salts Via potassium hydrate like carbonate etc, followed by treatment with ethyl or methyl acetoacetate and thereafter to yield ampicillin.

A process for the preparation of pure lafutidine by deprotecting the phthaloyl group of protected aminoolefin with aliphatic polyamine.

The invention discloses compositions, process for the preparation of compositions, method of use of compositions for control of ectoparasites.

N/A

Biphenyl compounds of Formula I: are novel compounds, their pharmaceuticall y acceptable salts or solvates and their pharmaceutical compositions containing such compounds and the use of such compounds and compositions in medicines to treat inflammation and process for preparing the same, and novel use of...

A process for the preparation of substantially pure 7-chloro-4-r-piperazinyl-quinoline of formula II free from dimer impurity of formula III and process for the preparation of substantially pure piperaquine and its acid salt by using pure 7-chloro-4-1" -piperazinyl-quinoline.

The preparation of substantially pure diosmin.

1) Compounds of the formula I in which, Zl and Z2 represents H, or any substituted group or together forms a chemical bond; Rl represents H, alkoxy, nitro, halo, hydroxy, optionally substituted amino group, -S-Rl 1 alkyl thio, acyl group, substituted or un substituted heterocyclic group, alkoxy carbonyl, aryl...

YES

The invention relates to the process for the preparation of type I, type II and type III crystals of 6-fluoro-l-methyl-7-[4-[(5-methyl-2-oxo-l,3-dioxol-4-yl)methyl]-l-piperazinyl]-4-oxo-lH,4H-[1,3]Thiazeto[3,2-a]quinoIine-3-carboxylic acid.