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


Cite item

Full Text

Open Access Open Access
Restricted Access Access granted
Restricted Access Subscription Access

Abstract

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.

About the authors

I. V. Ledenyova

Saratov State University

Author for correspondence.
Email: irairachem@yandex.ru
Russian Federation, ul. Astrakhanskaya 83, Saratov, 410012

P. A. Kartavtsev

Voronezh State University

Email: irairachem@yandex.ru
Russian Federation, Universitetskaya pl. 1, Voronezh, 394018

Kh. S. Shikhaliev

Voronezh State University

Email: irairachem@yandex.ru
Russian Federation, Universitetskaya pl. 1, Voronezh, 394018

A. Yu. Egorova

Saratov State University

Email: irairachem@yandex.ru
Russian Federation, ul. Astrakhanskaya 83, Saratov, 410012

Supplementary files

Supplementary Files
Action
1. JATS XML

Copyright (c) 2016 Pleiades Publishing, Ltd.