4-(2-nitro-4-trifluoromethylphenylamino)-phenol 、
Ethyl 4-bromo-3-methoxypent-2-enoate 以to give ethyl 4-[4-(2-nitro-4-trifluoromethylphenylamino)phenoxy]-3-methoxy-2-pentenoate的产率得到Ethyl 4-[4-(2-nitro-4-trifluoromethylphenylamino)phenoxy]-3-methoxy-2-pentenoate