Preparation of 1H-imidazo[4,5-C] quinolin 4-amines via novel 1H-imidazo[4,5-c] quinolin 4-cyano and 1H-imidazo[4,5-c] quinolin 4-carboxamide intermediates
申请人:TEVA Gyógyszergyár Zártkörűen Működő Részvénytársaság
公开号:US07166721B2
公开(公告)日:2007-01-23
The invention relates to a process for the synthesis of 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c]quinoline 4-carboxamide intermediates useful in preparing 1H-imidazo[4,5-C] quinoline 4-amines, a process for preparing 1H-imidazo[4,5-C] quinoline 4-amines using such intermediates; and, to the 1H-imidazo[4,5-c] quinoline 4-cyano and 1H-imidazo[4,5-c] quinoline 4-carboxamide intermediates. More particularly, the invention relates to a process for the preparation of 1-isobutyl-1H-imidazo[4,5-C] quinoline 4-amine (Imiquimod) using two intermediates, 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-cyano and 1-isobutyl-1H-imidazo[4,5-c] quinoline 4-carboxamide, and to the said intermediates.
本发明涉及一种合成1H-咪唑[4,5-c]喹啉4-氰和1H-咪唑[4,5-c]喹啉4-羧酰胺中间体的过程,该中间体可用于制备1H-咪唑[4,5-C]喹啉4-胺,以及使用这种中间体制备1H-咪唑[4,5-C]喹啉4-胺的过程;以及1H-咪唑[4,5-c]喹啉4-氰和1H-咪唑[4,5-c]喹啉4-羧酰胺中间体。更具体地,本发明涉及使用两种中间体,1-异丁基-1H-咪唑[4,5-C]喹啉4-氰和1-异丁基-1H-咪唑[4,5-c]喹啉4-羧酰胺的过程制备1-异丁基-1H-咪唑[4,5-C]喹啉4-胺(Imiquimod),以及所述中间体。