I. G. Povarov, A. V. Lyubyashkin, Anna S. Kositsyna
Sep 1, 2017
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Journal
Journal of Siberian Federal University
Abstract
The experimental data on the sulfonylation of 4-amino-1H pyrazoles with p-toluenesulfonyl chloride are given in the paper. New compounds were obtained: 3,5-dimethyl-4-tosylamino-1H-pyrazole, 3-methoxymethyl-5-phenyl-4-tosylamino-1H-pyrazole, 3-methoxymethyl-5-naphthyl-4-tosylamino1H-pyrazole, 3-methyl-5-naphthyl-4-tosylamino-1H-pyrazole. The structure of sulfonylated aminopyrazoles was proved by IR, UV, 1H NMR spectroscopy and mass spectrometry.