tert-butyl 4-[(3-amino-5,6-dimethyl-2-phenoxypyridin-4-yl)amino]butylcarbamate 、
原丁酸三甲酯 以to provide 3.2 g of crude tert-butyl 4-(6,7-dimethyl-4-phenoxy-2-propyl-1H-imidazo[4,5-c]pyridin-1-yl)butylcarbamate as purplish semisolid的产率得到tert-butyl 4-(6,7-dimethyl-4-phenoxy-2-propyl-1H-imidazo[4,5-c]pyridin-1-yl)butylcarbamate