Sulfur-containing spirocyclic compounds based on 3-methyl-(amino)-1-phenylpyrazol-5-ones |
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| Authors: | Yu G Shermolovich S V Emets |
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| Institution: | (1) Engineering Research Center for Clean Production of Textile Dyeing and Printing, Ministry of Education, Wuhan University of Science and Engineering, Wuhan, 430073, P. R. China; |
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| Abstract: | 3-Methyl(amino)-1-phenylpyrazol-5-ones react with N-chlorosulfenylphthalimide to give 4-phthalimidothiopyrazoles which decompose to form 3-methyl(amino)-1-phenylpyrazol-5-one-4-thiones. They were identified as their spirocyclic adducts with dienes. Oxidation of the latter with m-chloroperbenzoic acid gives spirocyclic sulfoxides and sulfones.Institute of Organic Chemistry, Ukraine Academy of Sciences, Kiev 253660. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 187–192, February, 2000. |
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| Keywords: | spirol[(1-phenylpyrazol-5-one)-4-thiane] 1-phenylpyrazol-5-one N-chlorosulfenylphthalimide |
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