The present invention provides a process for the preparation of asenapine maleate of Formula (I), comprising: intra-molecular cyclization of the intermediate of Formula (II) to obtain the intermediate of Formula (III) using aluminium halide.
本发明提供了一种制备阿塞那平
马来酸盐的方法,包括:利用铝卤化物对式(II)的中间体进行分子内环化,得到式(III)的中间体。