1-[4-chloro-2-(2,3-dihydrobenzo[b][1,4]dioxin-2-ylmethylthio)-5-methylphenylsulfonyl]-3-(phenylamino)guanidine 在
对甲基苯磺酰异氰酸酯 作用下,
以
四氢呋喃 为溶剂,
反应 9.0h,
以48%的产率得到4-chloro-2-(2,3-dihydrobenzo[b][1,4]dioxin-2-ylmethylthio)-N-(4,5-dihydro-5-oxo-1-phenyl-1H-1,2,4-triazol-3-yl)-5-methylbenzenesulfonamide