N-(4-imidazo[4,5-c]pyridin-1-ylphenyl)hydroxylamine 、
4-氯-3-三氟甲基异氰酸苯酯 在
乙酸乙酯 、
氯化钠 、
正己烷 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以ethyl acetate=1:1 to obtain 12 mg (16%) of 1-(4-chloro-3-(trifluoromethyl)phenyl)-3-hydroxy-3-(4-imidazo-[4,5-c]pyridin-1-ylphenyl)urea (Table 1, Compound No. 45) as a white solid的产率得到1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-hydroxy-3-(4-imidazo[4,5-c]pyridin-1-ylphenyl)urea