发明名称 Process for preparing nebivolol
摘要 The present invention relates to a process for preparing Nebivolol and, more in particular, to a fractional distillation method of a mixture of stereoisomers of formula; intermediates useful in the preparation of nebivolol.
申请公布号 US8969597(B2) 申请公布日期 2015.03.03
申请号 US201013383108 申请日期 2010.07.23
申请人 Zach System S.p.A. 发明人 Cotarca Livius;Foletto Johnny;Maragni Paolo;Soriato Giorgio;Urbani Daniele;Verzini Massimo
分类号 C07D407/04;C07D311/74 主分类号 C07D407/04
代理机构 Silvia Salvadori, P.C. 代理人 Silvia Salvadori, P.C.
主权项 1. A process for obtaining a compound of formula as a diastereoisomerically pure compound of RS/SR configuration, and a compound of formula as a diastereoisomerically sure com ound of RR/SS configuration, said method comprising: separating a compound of formula by fractional distillation; and obtaining said compound of formula as a diastereoisomerically pure compound of RS/SR configuration; and said compound of formula as a diastereoisomerically pure compound of RR/SS configuration.
地址 Bresso IT