Iodine(iii)-induced regioselective carbocyclization of terminal alkynes: a facile approach to prepare 1,1-diiodomethylene substituted cyclic compounds

文献情報

出版日 2017-02-08

DOI 10.1039/C6QO00822D

インパクトファクター 5.281

著者

Zeyu Wang, Jiang Zhong, Chen Zheng, Renhua Fan

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要旨

An iodine(III)-induced regioselective intramolecular carbocyclization of functionally substituted terminal alkynes is reported. A range of 1,1-diiodomethylene substituted cyclic compounds were prepared by using iodide salts as the iodine source to replace the normally used electrophilic I2, NIS or ICl. The use of 2,2,2-trifluoroethanol as a solvent is essential for the generation of reactive iodine(III) species. The resulting diiodomethylene substituted cyclic compounds can be readily converted to tetra-substituted alkenes through transition metal-catalyzed coupling reactions.

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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

Iodine(iii)-induced regioselective carbocyclization of terminal alkynes: a facile approach to prepare 1,1-diiodomethylene substituted cyclic compounds

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