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Synthesis and reactivity of aliphatic sulfur pentafluorides from substituted (pentafluorosulfanyl)benzenes

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    0458583 - ÚOCHB 2017 RIV DE eng J - Journal Article
    Vida, Norbert - Václavík, Jiří - Beier, Petr
    Synthesis and reactivity of aliphatic sulfur pentafluorides from substituted (pentafluorosulfanyl)benzenes.
    Beilstein Journal of Organic Chemistry. Roč. 12, Jan 20 (2016), s. 110-116. ISSN 1860-5397. E-ISSN 1860-5397
    Institutional support: RVO:61388963
    Keywords : dearomatization * decarboxylation * Diels-Alder reaction * oxidation * pentafluorosulfanyl group
    Subject RIV: CC - Organic Chemistry
    Impact factor: 2.337, year: 2016
    http://www.beilstein-journals.org/bjoc/single/articleFullText.htm?publicId=1860-5397-12-12

    Oxidation of 3- and 4-pentafluorosulfanyl-substituted anisoles and phenols with hydrogen peroxide and sulfuric acid provided a mixture of SF5-substituted muconolactone, maleic, and succinic acids. A plausible mechanism for the formation of the aliphatic SF5 compounds was presented and their chemical reactivity was investigated. SF5-substituted para-benzoquinone was synthesized; its oxidation led to an improved yield of 2-(pentafluorosulfanyl)maleic acid. The reaction of SF5-substituted maleic anhydride and para-benzoquinone with cyclopentadiene afforded the Diels-Alder adducts. Decomposition of 3-(pentafluorosulfanyl)muconolactone in acidic, neutral and basic aqueous media was investigated and the decarboxylation of 2-(pentafluorosulfanyl)maleic acid provided 3-(pentafluorosulfanyl)acrylic acid.
    Permanent Link: http://hdl.handle.net/11104/0258838

     
     
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