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Radical reactions using decacarbonyldimanganese under biphasic conditions

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Publication details

JournalEuropean Journal of Organic Chemistry
DatePublished - Apr 2004
Issue number8
Volume2004
Number of pages10
Pages (from-to)1740-1749
Original languageEnglish

Abstract

Radical reactions of alkyl halides, initiated by photolysis in the presence of decacarbonyldimanganese, can be performed in biphasic media. Reactions in the presence of aqueous sodium hydroxide together with a phase-transfer catalyst result in the efficient removal of manganese halide by-products and also lead to the regeneration of decacarbonyldimanganese. A range of efficient radical couplings, cyclisations and intermolecular addition reactions were performed under these conditions. This included the development of a new tandem radical addition-ionic cyclisation sequence that was employed in a short approach to (+/-)-coronamic acid. ((C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2004).

    Research areas

  • cyclization, manganese, heterocycles, phase-transfer catalysis, radical reactions, PHASE-TRANSFER CONDITIONS, DIMANGANESE DECACARBONYL, CONVENIENT SYNTHESIS, AQUEOUS-MEDIA, MANGANESE, CARBONYL, ACID, PHOTOCHEMISTRY, DERIVATIVES, HALIDES

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