乙酸酐 、
4,4'-dithiobis<4-(4-deoxy-D-arabino-tetritol-1-yl)-1,3-dihydro-3-methyl-1-p-tolyl-2H-imidazole-2-thione> 以
吡啶 为溶剂,
以92%的产率得到4,4'-dithiobis<1,3-dihydro-3-methyl-1-p-tolyl-4-(1,2,3-tri-O-acetyl-4-deoxy-D-arabino-tetritol-1-yl)-2H-imidazole-2-thione>