苯磺酰肼的合成工艺改进研究
Improved Technology for Synthesis of Benzenesulfonyl Hydrazide
用四氢呋喃做溶剂比用苯做溶剂可以得到较高产率的对甲基苯磺酰肼中间体；
In the second step , the yield ofp toluene sulfonhydrazide using tetrahydrofuran as solvent is higher than that of using benzene as solvent .
苯磺酰肼