Processes for the preparation of 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole
申请人:Medichem, S.A.
公开号:EP2468751A2
公开(公告)日:2012-06-27
This invention provides improved processes for the preparation of 5-chloro-2-methyl-2,3,3a,12b-tetrahydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrole, asenapine. These processes allow the preparation of asenapine at industrial scale in good yields and high stereoselectivity.
本发明提供了制备 5-氯-2-甲基-2,3,3a,12b-四氢-1H-二苯并[2,3:6,7]氧杂卓[4,5-c]吡咯,即阿塞那平的改进工艺。通过这些工艺,可以在工业规模上以良好的产率和较高的立体选择性制备阿塞那平。