N-(3,5-dichloro-4-hydroxyphenyl)-4-[2-[4-[(3,5-dichloro-4-hydroxyphenyl)sulfamoyl]phenyl]ethyl]benzenesulfonamide 在
sodium dichromate 作用下,
以
溶剂黄146 为溶剂,
反应 2.0h,
以74%的产率得到N-(3,5-dichloro-4-oxocyclohexa-2,5-dien-1-ylidene)-4-[2-[4-[(3,5-dichloro-4-oxocyclohexa-2,5-dien-1-ylidene)amino]sulfonylphenyl]ethyl]benzenesulfonamide