The present invention provides a method of preparing a 4-(arylmethyl)amino-1H-imidazo(4,5-c)quinoline of formula (4) by reacting an arylmethylamine of formula (3) with a 4-chloro-1H-imidazo(4,5-c)quinoline of formula (2). The present invention further provides a method of preparing an acid addition salt of formula (5) comprising the step of hydrolyzing a 4-(arylmethyl)amino-1H-imidazo(4,5-c)quinoline of formula (4) with a strong acid, HX. The present invention further provides a method of preparing a 4-amino-1H-imidazo(4,5-c)quinoline of formula (1) comprising the step of treating an acid addition salt of formula (5) with a base.
本发明提供了一种制备4-(芳基甲基)
氨基-
1H-咪唑(4,5-c)
喹啉(式子(4))的方法,该方法通过将式子(3)的芳基甲基胺与式子(2)的4-
氯-
1H-咪唑(4,5-c)
喹啉反应而得到。本发明还提供了一种制备式子(5)的酸加成盐的方法,包括用强酸HX
水解式子(4)的4-(芳基甲基)
氨基-
1H-咪唑(4,5-c)
喹啉的步骤。本发明还提供了一种制备4-
氨基-
1H-咪唑(4,5-c)
喹啉(式子(1))的方法,包括用碱处理式子(5)的酸加成盐的步骤。