Citation:
ZHAO Wei-Guang, CAO Yi-Bing, LI Zheng-Ming, GAO Fa-Wang, WANG Su-Hua, WANG Jian-Guo. Synthesis and Biological Activity of 1-Sulfonyl-3, 5-diamino-1H-Pyrazole Derivatives[J]. Chinese Journal of Applied Chemistry,
;2001, 18(6): 423-427.
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1-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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Keywords:
- sulfonylpy razole,
- synthesis,
- herbicide
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