The present invention relates to the process for the preparation of Apixaban polymorphic form N-1 of formula (I) having a particle size diameter D90 greater than100 µm using roller compaction technology.
An improved process for the preparation 3-chloro-2-hydroxypropanoic acid of formula (I) by using continuous stirring tank reactors (CSTRs) technology.
The above intermediate of formula (I) is to provide industrially viable and inherently safer process with high yield and purity.
The compound of formula (...
The present invention relates to process for the preparation of Brivaracetam having the structural formula (I).
The present invention also relates to novel intermediates which are useful in the preparation of Brivaracetam.
The present invention relates to process for the preparation of Levetiracetam having the structural formula (I).
The present invention also relates to process for the preparation of (S)-2-amino-butyric acid methyl ester compound of Formula (V).