1,5-dimethyl-3-phenyl-5H-thiazolo<3',4':2,3>-1,2,4-triazino<5,6-b>indolium p-toluenesulfonate 、 5-methyl-1-methylthio-5-phenyl-5H-thiazolo<3',4':2,3>-1,2,4-triazino<5,6-b>indolium perchlorate 在
三乙胺 作用下,
以
乙醇 为溶剂,
以87%的产率得到5-methyl-3-phenyl-1-<(5-methyl-3-phenyl-1(1H)-5H-thiazolo<3',4':2,3>-1,2,4-triazino-<5,6-b>indolylidene)methyl>-5H-thiazolo<3',4':2,3>-1,2,4-triazino<5,6-b>indolium perchlorate