[EN] MANUFACTURE OF BISOPROLOL AND INTERMEDIATES THEREFOR<br/>[FR] FABRICATION DE BISOPROLOL ET SES INTERMÉDIAIRES
申请人:CORDEN PHARMA IP LTD
公开号:WO2010061366A1
公开(公告)日:2010-06-03
A process for preparing bisoprolol comprises reacting oxazolidinone sulphonate with 4-hydroxybenzylaldehyde to form oxazolidinone benzaldehyde, forming oxazolidone benzylalcohol from oxazolidone benzaldehyde, and subsequently reacting oxazolidinone benzylalcohol with isopropyl oxitol to form bisoprolol base. Oxazolidone sulphonate and oxazolidone benzaldehyde are novel intermediates.
制备
比索洛尔的过程包括将
噁唑烷酮
磺酸酯与
4-羟基
苯甲醛反应,形成
噁唑烷酮
苯甲醛,从
噁唑烷酮
苯甲醛形成
噁唑烷酮
苄醇,然后将
噁唑烷酮
苄醇与异丙基氧
乙醇反应,形成
比索洛尔。
噁唑烷酮
磺酸酯和
噁唑烷酮
苯甲醛是新颖的中间体。