1-(4-aminobutyl)-2-ethyl-1H-imidazo[4,5-c]quinolin-4-amine 、
环己甲酰氯 以to provide 1.16 g of N-[4-(4-amino-2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl)butyl]cyclohexanecarboxamide as a light brown solid, m.p. 201.7-202.5° C.的产率得到N-[4-(4-amino-2-ethyl-1H-imidazo[4,5-c]quinolin-1-yl)butyl]cyclohexanecarboxamide