Abstract: Disclosed is a process for the preparation of imatinib of formula (I), or its mesylate salt with controlled level of genotoxic impurity of formula (II), a key intermediate for imatinib.
Abstract: Provided is a process for the preparing 1-phenyl-3-dimethylaminopropane derivatives of formula I, (The formula should be inserted here) and its pharmaceutically acceptable salts thereof via novel intermediates.
Abstract: The present invention encompasses a process for the preparation of highly pure ivabradine hydrochloride by treating ivabradine with alcoholic hydrogen chloride. The invention further encompasses amorphous ivabradine hydrochloride and process for its preparation using suitable acid addition salts of ivabradine.
Type:
Grant
Filed:
May 29, 2008
Date of Patent:
July 3, 2012
Assignee:
Ind-Swift Laboratories Limited
Inventors:
Satyendra Pal Singh, Gajendra Singh, Lalit Wadhwa
Abstract: The present invention relates to an industrially advantageous process of making bisphosphonic acid or its salt in particular risedronic acid, [1-hydroxy-2(3-pyridinyl)ethylidene]bisphosphonic acid, having formula-(I) or its salts in high purity and high yields.