专利检索 ap:("Macfarlan Smith Limited") AND inv:"ZHANG, Hongzhi" 第 1 页

1.

发明公开
IMPROVED PROCESSES FOR MAKING OPIOIDS INCLUDING 14-HYDROXYCODEINONE AND 14-HYDROXYMORPHINONE 审中-公开

公开(公告)号：EP4112622A1

公开(公告)日：2023-01-04

申请号：EP22190571.4

申请日：2014-08-29

申请人： Macfarlan Smith Limited

发明人： HEINRICH, Brian W , MATHARU, Saroop Singh , GRANT, Ewart , ZHANG, Hongzhi , ARCHER, Nicolas , BEASE, Michael

IPC分类号： C07D489/08

摘要： Improved processes for making opioid products having low impurity levels including making 14-hydroxycodeinone and 14-hydroxymorphinone from thebaine and oripavine, respectively.