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Issue 22, 2012
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Synthesis of optically active dihydropyrans from asymmetric [4 + 2] cycloaddition of β,γ-unsaturated α-ketoesters with allenic esters

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Abstract

β-Isocupreidine (β-ICD) catalyzed asymmetric [4 + 2] cycloaddition of β,γ-unsaturated α-ketoesters with allenic esters afforded ester-substituted functionalized dihydropyran derivatives in high yields along with high enantioselectivities under mild conditions.

Graphical abstract: Synthesis of optically active dihydropyrans from asymmetric [4 + 2] cycloaddition of β,γ-unsaturated α-ketoesters with allenic esters

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Publication details

The article was received on 05 Mar 2012, accepted on 12 Apr 2012 and first published on 16 Apr 2012


Article type: Paper
DOI: 10.1039/C2OB25475A
Citation: Org. Biomol. Chem., 2012,10, 4355-4361
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    Synthesis of optically active dihydropyrans from asymmetric [4 + 2] cycloaddition of β,γ-unsaturated α-ketoesters with allenic esters

    C. Pei, Y. Jiang and M. Shi, Org. Biomol. Chem., 2012, 10, 4355
    DOI: 10.1039/C2OB25475A

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