Photoinduced synthesis of (E)-vinyl sulfones through the insertion of sulfur dioxide‡

文献情報

出版日 2018-09-28

DOI 10.1039/C8QO00965A

インパクトファクター 5.281

著者

Yechun Ding, Xiaona Fan

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要旨

Under visible light irradiation, a three-component reaction of potassium alkyltrifluoroborates, sulfur dioxide and alkynes with the assistance of photocatalysis and in the presence of copper(II) triflate is described. This transformation affords (E)-vinyl sulfones efficiently with excellent regioselectivity and stereoselectivity under mild conditions. Various functional groups including acetyl and thiophenyl groups are tolerated. The photocatalysis facilitates the formation of an alkyl radical, which initiates the transformation with the insertion of sulfur dioxide. The presence of the copper catalyst assists the addition of an alkylsulfonyl radical to alkyne, thus leading to (E)-vinyl sulfones.

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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

Photoinduced synthesis of (E)-vinyl sulfones through the insertion of sulfur dioxide‡

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