反应详情

The 1-amino-4-methylthiomethylthio-2-nitrobenzene prepared according to Example VIII is treated with methoxy carbonyl isothiocyanate according to the first paragraph of Example VI to afford 1-(3-methoxycarbonyl-2-thioureido)-4-methylthiomethylthio-2-nitrobenzene. This latter compound is treated according to the iron reduction technique set forth in the third paragraph of Example XIX to afford 2-amino-1-(3-methoxycarbonyl-2-thioureido)-4-methylthiomethylthiobenzene. This latter compound is treated in accordance with the first paragraph of EXAMPLE XVII to afford 1-(3-methoxycarbonyl-2-thioureido)-4-methylthiomethylthio-2-succinamidobenzene.