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.
本发明提供了改进的制备5-
氯-2-甲基-2,3,3a,12b-四氢-1H-二苯并[2,3:6,7]氧杂[4,5-c]
吡咯,即阿塞那平的工艺。这些工艺可以在工业规模下高产率和高立体选择性地制备阿塞那平。