申请人:——
公开号:US20040097523A1
公开(公告)日:2004-05-20
The formation of risperidone is enhanced by the use of enriched Z-isomer oxime intermediate(s) of formula (3) or (7).
1
The oxime(s) can be isomerically enriched by a variety of techniques including the use of the novel acetic acid salt thereof, which affords, inter alia, resolution of the isomers and/or by heat conversion.
利用富集的Z异构体肟中间体(3)或(7)的使用增强了利培酮的形成。
1
这些肟可以通过各种技术进行异构体富集,包括使用其新颖的乙酸盐,该盐提供了异构体的分离,或通过热转化。