2-{4-[2-(3,4-Dimethyl-phenyl)-ethyl]phenylamino)-5-nitrobenzoic acid methyl ester 、
sodium hydroxide 在
2-{4-[2-(3,4-Dimethyl-phenyl)-ethyl]-phenylamino}-5-nitro-benzoic acid 作用下,
以
乙醇 、
四氢呋喃 为溶剂,
以This procedure yielded a yellow solid, 1.03 g (2.63 mmol, 81%) of the desired product的产率得到2-{4-[2-(3,4-Dimethyl-phenyl)-ethyl]-phenylamino}-5-nitro-benzoic acid