2,4-diamino-5-<3,5-dimethoxy-4-<2-(4'-(2''-methyl-4''-nitrophenyl)sulfonylanilino)ethoxy>benzyl>pyrimidine 在
palladium on activated charcoal
次磷酸 作用下,
以68%的产率得到2,4-diamino-5-<3,5-dimethoxy-4-<2-(4'-(4''-amino-2''-methylphenyl)sulfonylanilino)ethoxy>benzyl>pyrimidine