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  • Title: Multifunctional chiral phosphine-catalyzed [3+2] annulation of Morita-Baylis-Hillman carbonates with cyclopentenones: asymmetric synthesis of 4-oxo-hexahydropentalenes.
    Author: Wang C, Gao Z, Zhou L, Wang Q, Wu Y, Yuan C, Liao J, Xiao Y, Guo H.
    Journal: Chem Commun (Camb); 2018 Jan 02; 54(3):279-282. PubMed ID: 29231934.
    Abstract:
    A multifunctional chiral phosphine-catalyzed enantioselective [3+2] annulation of Morita-Baylis-Hillman carbonates with cyclopentenones provides a direct approach to access functional 4-oxo-1,3a,4,5,6,6a-hexahydropentalene compounds. Moderate to good yields and excellent enantioselectivities (>90% ee) were obtained for a series of substrates under mild reaction conditions.
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