“PROCESS FOR PREPARATION OF LEVOSIMENDAN” ABSTRACT: The present invention discloses a process for preparation of levosimendan. More particularly, the present invention discloses novel process for preparation of (-)-6-(4-aminophenyl)-5-methylpyridazin-3-(2H)-one from racemic 6-(4-aminophenyl)-4,5-dihydro-5-methyl...

The present invention disclosed herein is a cost effective, in-situ process for the preparation of montelukast or its pharmaceutically acceptable salts of formula (I) by reacting optically pure (S)-l-{3-[2-(7-chloroquinolin-yl)ethylene]-phenyl}-3-[2-(1-hydroxy-1 -methyl ethyl) phenyl]-propan-l-ol with methane sulfon...

“PROCESS FOR MANUFACTURE OF ROSUVASTATIN CALCIUM AMORPHOUS” ABSTRACT: Disclosed here is a process for the preparation of amorphous Rosuvastatin calcium hydrate with high purity.

The invention discloses an improved process for preparation of Vilanterol or a pharmaceutically acceptable salt thereof with good yields and high purity.