Abstract The present invention provides a novel one-pot process for the preparation of xylazine or pharmaceutically acceptable salts thereof on large scale that significantly improves currently available synthetic processes. More particularly the process of the present invention utilizes reaction of dithiocarbama...

Abstract The present invention provides a novel, efficient, selective and reliable process for preparing highly pure (S)-methoprene having purity of more than 99% with cis-isomer being less than 0.1%. The present invention further provides high purity (S)-methoprene having purity of more than 99% with cis-isomer be...