对甲苯磺酰肼与乙二醛以配比1∶27（mol）反应后，通入定量的氨气进行环合反应生成1,2,3三氮唑，收率达668%
Then high purity 1,2,3 triazole was obtained by the reaction of p toluene sulfonyl hydrazide and glyoxal at M ratio 1 ∶ 2.7 followed by the treatment of the intermediate with ammonia , the yield over 66.8 % .
对甲苯磺酰肼