Orchid Chemicals & Pharmaceuticals

US20090312539: AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC
The present invention provides a process for the preparation of the carbapenem antibiotic of formula (I) or its salt in amorphous form. Formula (I) wherein R represents hydrogen or COOM and M represents hydrogen or sodium.

US20090264643: Process for The Preparation of Beta-Lactam Antibiotic
The present invention relates to a process for the preparation of Meropenem of formula (I) in sterile form and also provides an improved process for the preparation of compound of formula (V), which is an important intermediate in the synthesis of...

WO2009087463: A METHOD FOR THE PREPARATION OF DULOXETINE HYDROCHLORIDE
The present invention relates to an improved process for the preparation of Duloxetine and its intermediates (S)-(+)-N,N-dimethyl-3-(l-naphthalenyloxy)-3-(2- thienyl)propanamine by reacting (S)-(-)-N,N-dimethyl-3-(2-thienyl)-3-. hydroxypropanam...

US20090143614: Process for the Preparation of Cilastatin and Sodium Salt
The present invention relates to an improved process for the preparation of Cilastatin Sodium of formula (I). The present invention also provides an isolation technique for Cilastatin acid from the reaction mixture.

WO2009060297: AN IMPROVED PROCESS FOR THE PREPARATION OF PALIPERIDONE AND ITS INT...
The present invention relates to a process for the preparation of a psychotropic agent Paliperidone. Preferably, this invention relates to a method for the purification of Paliperidone by making its acid addition salts.

WO2009047604: PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC
An improved process for the preparation of carbapenem antibiotic of formula (I) or its hydrate is provided. + 1 more...

US20090087893: Modified Expandase Enzyme and its use
The present invention relates to a mutant penicillin expandase which comprises an amino acid substitution at one or more residue positions corresponding to those of a wild-type expandase selected from the group consisting of threonine at position ...

WO2009016466: A PROCESS FOR THE PREPARATION OF NARATRIPTAN HYDROCHLORIDE
The present invention provides a process for the preparation of Naratriptan hydrochloride which comprises decarboxylation of 5-{2-[(methylamino) sulfonyl] ethyl}-1H-indole-2-carboxylic acid to get 2-(1H-indol-5-yl)-N-methylethanesulfonamide using ...