Process for the preparation of 1,2,3,9-tetrahydro-9-methyl-3-((2-methyl-1H-imidazol-1-yl)-methyl)-4H-carbazol-4-one
申请人:Hanmi Pharm. Co., Ltd.
公开号:EP1207160A1
公开(公告)日:2002-05-22
Pure 1,2,3,9-tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one or a pharmaceutically acceptable salt thereof is prepared in a high yield by a simple process which reacts 1,2,3,9-tetrahydro-9-methyl-4H-carbazol-4-one with a 2-methylimidazole derivative in an organic solvent or in a mixture of an organic solvent and water in the presence of a halosilane compound.
通过在有机溶剂或有机溶剂和水的混合物中,在卤代硅烷化合物存在下,将1,2,3,9-四氢-9-甲基-3-[(2-甲基-1H-咪唑-1-基)甲基]-4H-咔唑-4-酮或其药学上可接受的盐与2-甲基咪唑衍生物反应,可以高产率地制备出来。