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- Title
4-Aryl-3-(methanesulfonyl)pyrazolo[5,1- c][1,2,4]triazines and their transformations.
- Authors
Ledenyova, I.; Kartavtsev, P.; Shikhaliev, Kh.; Egorova, A.
- Abstract
Coupling of 3-alkyl-4-aryl-1 H-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 C of pyrazolo[5,1- c][1,2,4]triazines toward some nucleophiles was studied.
- Subjects
PYRAZOLES; DIAZONIUM compounds; CARBENES; SULFONES; RING formation (Chemistry); INTERMEDIATES (Chemistry)
- Publication
Russian Journal of Organic Chemistry, 2016, Vol 52, Issue 9, p1316
- ISSN
1070-4280
- Publication type
Article
- DOI
10.1134/S1070428016090116