Preparation of ranolazine and intermediates thereof, for use in pharmaceutical compositions comprising ranolazine.
制备拉诺拉嗪及其中间体,用于制备包含拉诺拉嗪的药物组合物。
NOVEL PROCESS FOR THE PREPARATION OF RANOLAZINE
申请人:UNICHEM LABORATORIES LIMITED
公开号:EP3782992A1
公开(公告)日:2021-02-24
The present invention relates to novel processes for the preparation of Ranolazine (I) and its acid addition salts and the novel process for the preparation of compound of formula (7).
本发明涉及制备雷诺嗪(I)及其酸加成盐的新工艺,以及制备式(7)化合物的新工艺。
Improved Process for Ranolazine: An Antianginal Agent
An improved process has been developed for the active pharmaceutical ingredient, ranolazine with 99.9% purity and 47% overall yield (including three chemical reactions and one recrystallization). Formation and control of all the possible impurities is described. All the solvents used in the process were recovered and reused. The unreacted piperazine is recovered as piperazine monophosphate monohydrate salt.
[EN] HIGHLY PURE RANOLAZINE OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF<br/>[FR] RANOLAZINE TRÈS PURE OU SEL DE CELLE-CI DE QUALITÉ PHARMACEUTIQUE ACCEPTABLE
申请人:ACTAVIS GROUP PTC EHF
公开号:WO2010043976A3
公开(公告)日:2010-06-10
[EN] PREPARATION OF RANOLAZINE<br/>[FR] PRÉPARATION DE RANOLAZINE
申请人:REDDYS LAB LTD DR
公开号:WO2010025370A2
公开(公告)日:2010-03-04
Preparation of ranolazine and intermediates thereof, for use in pharmaceutical compositions comprising ranolazine.