N-(2,5-dimethyl-4-oxocyclohexa-2,5-dien-1-ylidene)-N'-(4-methoxyphenylsulfonyl)benzimidamide 、
sodium 4-methylbenzenesulfinate 以
溶剂黄146 为溶剂,
以79%的产率得到N-[4-hydroxy-2,5-dimethyl-3-(4-methylphenylsulfonyl)phenyl]-N'-(4-methoxyphenylsulfonyl)benzimidamide