The invention relates to novel process for the preparation of (2-bromo-4,5-dimethoxyphenyl) methyl bromide of formula (I), which is a key intermediate for the preparation of pinaverium bromide.

The invention relates to an improved process for the preparation of 4-chloro-4"-hydroxy benzophenone formula (I). The process involves reaction of 4-chlorobenzotrichloride with phenol in presence of lewis acid to provide 4-chloro-4"-hydroxy benzophenone formula (I).

The invention relates to novel process for the preparation of Dimethylformamide dimethylacetal of formula (I), which is a key intermediate for the preparation of many pharmaceutical compounds..

Title: AN IMPROVED PROCESS OF DONEPEZIL HYDOCHLORIDE ABSTRACT The present invention relates to a process for preparation of 2-((1-benzylpiperidin-4-yl)methyl)-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one Hydrochloride (Donepezil hydrochloride) of formula I . The present invention also relates to a intermediates ...

Title: A process for the preparation of 2-Bromo-2’,5’ Dimethoxyacetophenone ABSTRACT The present invention relates to a process for preparation of 2-Bromo-2’,5’ Dimethoxyacetophenone of formula I as an intermediates of Midodrine hydrochloride. The present invention further relates to a process for the preparat...

Title: AN IMPROVED PROCESS FOR THE PREPARATION OF INTERMEDIATE FOR PAROXETINE ABSTRACT The present invention relates to an improved process for preparation of intermediate for paroxetine and pharmaceutically acceptable salts thereof which are suitable for large scale commercial operation. The present invention...

Title: AN IMPROVED PROCESS FOR THE PREPARATION OF SESAMOL ABSTRACT The present invention relates to an improved process for preparation of Sesamol of formula I. The present invention further relates to a process for the preparation of Sesamol of formula I by acylation reactions 1,2-(Methylenedioxy Benzene) in ...

The present invention relates to a process for preparation of (R)-5-(1,2-Dithiolan-3-yl) pentanoic acid (a-Lipoic Acid) of formula I which comprises esterification of adipic acid of the formula II with methanol to obtain 6-methoxy-6-oxohexanoic acid of the formula III further reacted and is converted to methyl-6-chl...