The present patent application relates to a novel crystalline form (Form S) of Carvedilol dihydrogen phosphate and a process for its preparation. It also relates to an improved process for the preparation of Carvedilol dihydrogen phosphate

The present patent application relates to a process for the preparation of Duloxetine and its salts comprising reacting (S) - (+)-N, N-Dimethyl-3-(2-thienyl)-3-hydroxypropanamine or a salt there of with 1-flurornapthalene in the presence of sodium hydride and potassium 4-methyl benzoate; N-demethylation via formatio...

A compound which is substantially pure Fluindione. A process for the preparation of substantially pure Fluindione comprising Formula IV a) reacting phthalide of Formula III with p-fluoro benzaldehyde of Formula IV in the presence of a base and an organic solvent to obtain Fluindione;

The present patent application relates to an improved process for the preparation of enantiomerically enriched compounds. Specifically it relates to preparation of enantiomerically enriched Rivastigmine, Duloxetine, Escitalopram and their intermediates in high yields.

A process for the preparation of N-[{2"-cyanobiphenyl-4-yl) methyl]-(L)-valine alkyl ester or a salt thereof comprising the steps of: a) reacting 4"halomethyl-2"-cyanobiphenyl of Formula II with L –Valine alkyl ester of Formula III in the presence of an inorganic base and a ketone solvent; where X is C1, Br, I; and ...

The present patent application relates to an improved process for the preparation of Ranolazine, pharmaceutically acceptable salts and intermediates thereof. Specifically it relates to novel crystalline polymorphs Form-I, Form-II and Form-III of N-(2,6-dimethylphenyl)-1-piperazine acetamide and to the processes for ...

The present patent application relates to a process for the preparation of rivastigmine, its salts and intermediates thereof. More specifically, it relates to preparation of enantiomerically pure S-(-)-3-(l-dimethylamino) phenol, its purification and converting the same to rivastigmine and its salts. ...

The present patent application relates to a novel crystalline form S of citalopram diol intermediate, process for preparation and its use in the preparation of citalopram, escitalopram and their salts. It also relates to an improved process for the preparation of escitalopram, its salts and intermediates. ...

The present patent application relates to a process for the preparation of 2-(2-Alkoxy phenoxy) ethylamine or a salt thereof, which is a useful intermediate in the preparation of several active pharmaceutical ingredients including Carvedilol and Tamsulosin. It also provides 2-(2-methoxy phenoxy) ethylamine in solid ...

The present patent application relates to an improved process for the preparation of escitalopram, its salts and intermediates. It also relates to a process for preparation of pure escitalopram oxalate using alcoholic solvents and aqueous acetone.

The present patent application relates to the process for the preparation of Duloxetine or a pharmaceutically acceptable salt thereof comprising the reaction of (S)-(+) N, N-Dimethyl-3-(l-naphthalenyloxy)-3-(2-thienyl) propanamine with alkyl or aryl chloroformate to form Duloxetine carbamate compound in presence of ...