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2001•Chinese Journal of Applied ChemistryRequires access

Synthesis and Biological Activity of 1-Sulfonyl-3,5-diamino-1H-Pyrazole Derivatives

Zhao Wei

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Abstract

sulfonyl-3,5-diamino-1H-pyrazole-4-nitriles(3) were synthesized by the reaction of sulfonylation of 3,5-diamino-1H-pyrazole-4-nitriles(2), which were prepared from 2-cyano-3,3-dimethylthio acrylonitrile as starting material with arylamines. All the novel compounds were confirmed by ~1H NMR and elemental analysis, and some by IR and MS. Some of the target compounds show excellent herbicidal activities.

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What this paper is about

sulfonyl-3,5-diamino-1H-pyrazole-4-nitriles(3) were synthesized by the reaction of sulfonylation of 3,5-diamino-1H-pyrazole-4-nitriles(2), which were prepared from 2-cyano-3,3-dimethylthio acrylonitrile as starting material with arylamines. All the novel compounds were confirmed by ~1H NMR and elemental analysis, and some by IR and MS. Some of the target compounds show excellent herbicidal activities.

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Available abstract

sulfonyl-3,5-diamino-1H-pyrazole-4-nitriles(3) were synthesized by the reaction of sulfonylation of 3,5-diamino-1H-pyrazole-4-nitriles(2), which were prepared from 2-cyano-3,3-dimethylthio acrylonitrile as starting material with arylamines. All the novel compounds were confirmed by ~1H NMR and elemental analysis, and some by IR and MS. Some of the target compounds show excellent herbicidal activities.

Key concepts: Chemistry, Pyrazole, Sulfonyl, Acrylonitrile, Proton NMR, Elemental analysis, Organic chemistry, Nitrile

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