1-(4-chlorophenyl)-2-[(6-methyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)sulfanyl]ethanone;hydrobromide 在
磷酸 、 phosphorus pentoxide 作用下,
以45%的产率得到14-(4-chlorophenyl)-6-methyl-12-thia-8,10,15,16-tetrazatetracyclo[7.7.0.02,7.011,15]hexadeca-1(16),2,4,6,8,10,13-heptaene