[EN] PROCESS FOR THE PREPARATION OF ROSUVASTATIN VIA NOVEL INTERMEDIATES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE ROSUVASTATINE PAR LE BIAIS DE NOUVEAUX INTERMÉDIAIRES
申请人:IND SWIFT LAB LTD
公开号:WO2015037018A1
公开(公告)日:2015-03-19
The present invention provides an industrially advantageous and cost-effective process for preparation of rosuvastatin of formula I or pharmaceutically acceptable salts thereof, [Formula I should be inserted here], via novel intermediates of formulae II and III. [Formula II should be inserted here], wherein R is selected from, R1 is selected from hydrogen, straight or branched chain alkyl group preferably C1-C4; [Formula III should be inserted here]. The present invention also provides novel and efficient processes for the preparation of compounds of formulae II and III, and converting these to rosuvastatin of formula I or pharmaceutically acceptable salts thereof.
本发明提供了一种工业上具有优势和经济效益的制备公式I或其药学上可接受的盐的罗伐司汀的过程,[公式I应在此处插入],通过公式II和III的新型中间体。[公式II应在此处插入],其中R从中选择,R1从氢,直链或支链烷基,优选为C1-C4;[公式III应在此处插入]。本发明还提供了制备公式II和III化合物的新型高效过程,并将其转化为公式I或其药学上可接受的盐的罗伐司汀。