2-butyl-1-methyl-8-{[4-(trifluoromethoxy)benzyl]oxy}-5-oxido-1H-imidazo[4,5-c]quinolin e 、
2-butyl-1-methyl-5-oxido-8-{[6-(4-phenylbutoxy)hexyl]oxy}-1H-imidazo[4,5-c]quinoline 在
crude product 、 silica gel 、
二氯甲烷 、
甲醇 作用下,
以to provide 93.9 mg of 2-butyl-1-methyl-8-{[4-(trifluoromethoxy)benzyl]oxy}-1H-imidazo[4,5-c]quinolin-4-amine as a white powder, mp 219.4-220.2° C.的产率得到2-butyl-1-methyl-8-{[4-(trifluoromethoxy)benzyl]oxy}-1H-imidazo[4,5-c]quinolin-4-amine