methyl 5-bromo-2-methoxy-4-[N-(4-phenyl-sulfanyl-phenyl)-N-(2-piperidin-1-yl-phenyl)-hydrazino-carbonylmethyl]-benzoate 在
间氯过氧苯甲酸 作用下,
以
二氯甲烷 为溶剂,
以33%的产率得到4-[N-(4-benzenesulfonyl-phenyl)-N-(2-piperidin-1-yl-phenyl)-hydrazinocarbonylmethyl]-5-bromo-2-methoxy-benzoic acid hydrochloride