Palladium-catalyzed enantioselective [5 + 4] annulation of ortho-quinone methides and vinylethylene carbonates

文献情報

出版日 2020-05-08

DOI 10.1039/D0QO00128G

インパクトファクター 5.281

著者

Chao Xia, Dong-Chao Wang, Gui-Rong Qu

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要旨

Highly enantioselective [5 + 4] annulation of ortho-quinone methides with vinylethylene carbonates has been developed by asymmetric palladium catalysis. The reaction allows for efficient synthesis of various nine-membered benzodioxonines in good yields (up to 88%) with high enantioselectivity (up to 98%). Mechanistic studies indicate that the [5 + 4] annulation occurs through an unusual action of chiral phosphine and achiral palladium catalysts.

掲載誌

Organic Chemistry Frontiers

CiteScore: 7.8

自己引用率: 8.7%

年間論文数: 724

Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

Palladium-catalyzed enantioselective [5 + 4] annulation of ortho-quinone methides and vinylethylene carbonates

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