4-Aryl-3-(methanesulfonyl)pyrazolo[5,1- c ][1,2,4]triazines and their transformations

I. V. Ledenyova; P. A. Kartavtsev; Kh. S. Shikhaliev; A. Yu. Egorova

doi:10.1134/S1070428016090116

4-Aryl-3-(methanesulfonyl)pyrazolo[5,1-c][1,2,4]triazines and their transformations

作者: Ledenyova I.V.¹, Kartavtsev P.A.², Shikhaliev K.S.², Egorova A.Y.¹
隶属关系:
1. Saratov State University
2. Voronezh State University
期: 卷 52, 编号 9 (2016)
页面: 1316-1321
栏目: Article
URL: https://bakhtiniada.ru/1070-4280/article/view/214947
DOI: https://doi.org/10.1134/S1070428016090116
ID: 214947

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详细

Coupling of 3-alkyl-4-aryl-1H-pyrazole-5-diazonium chlorides with methylene-active methyl phenacyl sulfones afforded new pyrazolo[5,1-c][1,2,4]triazine derivatives via cyclization of the corresponding intermediate 1-aryl-2-(hetarylhydrazinylidene)-2-(methanesulfonyl)ethanones. The reactivity of the methanesulfonyl group on C³ of pyrazolo[5,1-c][1,2,4]triazines toward some nucleophiles was studied.