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Volumn , Issue 14, 2010, Pages 2661-2665

Metal-free air oxidation of thiols in recyclable ionic liquid: A simple and efficient method for the synthesis of disulfides

Author keywords

Disulfides; Ionic liquids; Oxidation; Thiols

Indexed keywords


EID: 77951848140     PISSN: 1434193X     EISSN: 10990690     Source Type: Journal    
DOI: 10.1002/ejoc.201000126     Document Type: Article
Times cited : (53)

References (96)
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    • Organic Sulfur Chemistry: Structure and Mechanism (Ed.: S. Oae), CRS Press, Boca Raton FL, USA, 1991
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    • (Ed.: S. Patai), John Wiley & Sons, London part 2, chapter 17 and references cited therein
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    • Capozzi, G.1    Modena, G.2
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    • For a comprehensive review about ionic liquids, see: a
    • For a comprehensive review about ionic liquids, see: a) J. Dupont, R. F. de Souza, P. A. Z. Suarez, Chem. Rev. 2002, 102, 3667-3692;
    • (2002) Chem. Rev. , vol.102 , pp. 3667-3692
    • Dupont, J.1    De Souza, R.F.2    Suarez, P.A.Z.3
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    • 77951858171 scopus 로고    scopus 로고
    • Initial attempts to carry out this reaction in an open flask resulted in unsatisfactory yields of diphenyl disulfide and high reaction times (65% after 4 h). This was attributed to the low concentration of atmospheric oxygen in the system arising from the high viscosity of the imidazolium ionic liquids. For a comprehensive review about gas solubilities in ionic liquids
    • Initial attempts to carry out this reaction in an open flask resulted in unsatisfactory yields of diphenyl disulfide and high reaction times (65% after 4 h). This was attributed to the low concentration of atmospheric oxygen in the system arising from the high viscosity of the imidazolium ionic liquids. For a comprehensive review about gas solubilities in ionic liquids
  • 82
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    • (Ed.: N. Kharash), Pergamon Press, New York, chapter 8
    • c) A. A. Oswald, T. J. Wallance, in: Organic Sulfur Compounds (Ed.: N. Kharash), Pergamon Press, New York, 1964, vol.2, chapter 8.
    • (1964) Organic Sulfur Compounds , vol.2
    • Oswald, A.A.1    Wallance, T.J.2
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    • 4. The solvent and volatiles were completely removed under vacuum to give the crude product. The compounds were purified by column chromatography over silica gel
    • 4. The solvent and volatiles were completely removed under vacuum to give the crude product. The compounds were purified by column chromatography over silica gel.
  • 93
    • 77951804606 scopus 로고    scopus 로고
    • 4 in DCM. Products 12-14 were recrystallized from water
    • 4 in DCM. Products 12-14 were recrystallized from water.
  • 94
    • 77951845355 scopus 로고    scopus 로고
    • 4 and the volatile components were removed under vacuum. The recovered ionic liquid was reused in subsequent reactions
    • 4 and the volatile components were removed under vacuum. The recovered ionic liquid was reused in subsequent reactions.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.