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Issue 68, 2019
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Phosphine-catalyzed regiodivergent annulations of γ-substituted allenoates with conjugated dienes

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Abstract

A phosphine catalyzed regiodivergent annulation of γ-substituted allenoates with conjugated dienes is reported, and highly functionalized cyclohexenes or cyclopentenes were obtained in high yields and regioselectivities. This transformation takes advantage of mild conditions, wide substrate scope and significant functional group tolerance. The high regioselectivity can be achieved by tuning the nucleophilicity of the phosphine catalyst.

Graphical abstract: Phosphine-catalyzed regiodivergent annulations of γ-substituted allenoates with conjugated dienes

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Publication details

The article was received on 08 Jul 2019, accepted on 30 Jul 2019 and first published on 31 Jul 2019


Article type: Communication
DOI: 10.1039/C9CC05207K
Chem. Commun., 2019,55, 10120-10123

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    Phosphine-catalyzed regiodivergent annulations of γ-substituted allenoates with conjugated dienes

    Z. Gan, Y. Gong, Y. Chu, E. Li, Y. Huang and Z. Duan, Chem. Commun., 2019, 55, 10120
    DOI: 10.1039/C9CC05207K

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