17028-79-4Relevant articles and documents
Facile and highly regiospecific synthesis of 2-aryl-substituted pyrazolidin-3-ones from α,β-unsaturated N-acylbenzotriazoles and arylhydrazines
Wang, Xiaoxia,Wang, Wencun,Wen, Yihang,He, Liang,Zhu, Xiangming
experimental part, p. 3223 - 3228 (2009/05/07)
The bis-addition of arylhydrazines to α,β-unsaturated N-acylbenzotriazoles to form heterocyclic compounds was achieved in refluxing THF by using triethylamine as promoter. The reaction was highly regioselective and various 2-aryl-substituted pyrazolidin-3