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δ-Lactones by Carbonylation of Vinyloxiranes

Authors

  • Priv.-Doz. Dr. Rudolf Aumann,

    Corresponding author
    1. Organisch-Chemisches Institut der Universität, Orléansring 23, D-4400 Münster (Germany)
    • Organisch-Chemisches Institut der Universität, Orléansring 23, D-4400 Münster (Germany)
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  • Dipl.-Chem. Horst Ring

    1. Organisch-Chemisches Institut der Universität, Orléansring 23, D-4400 Münster (Germany)
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  • Organic Syntheses with Transition Metal Complexes, Part 5.—This work was supported by the Deutsche Forschungsgemeinschaft and the Fonds der Chemischen Industrie.—Part 4: R. Aumann, Chem. Ber., in press.

Abstract

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1,3-Dienes can be conveniently transformed into δ-lactones(2) and (3) in two steps: the diene is epoxidized to (1), which is carbonylated in the presence of transition metals. The overall reaction corresponds formally to addition of CO2, for which no direct method is available.

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