Electrochemical synthesis of 7-membered carbocycles through cascade 5-exo-trig/7-endo-trig radical cyclization

Literature Information

Publication Date 2018-09-26
DOI 10.1039/C8QO00803E
Impact Factor 5.281
Authors

Hao Long, Jinshuai Song, Hai-Chao Xu


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Abstract

7-endo-trig cyclizations, especially for unhindered terminal alkenes, remain underdeveloped. We report herein an electrochemical synthesis of functionalized 7-membered carbocycles through a 5-exo-trig/7-endo-trig radical cyclization cascade. The first cyclization step of the cascade process forms a 5-membered ring with trans-disposition of the radical center and the remaining alkene. This trans configuration forces the 6-heptenyl radical to undergo regioselective 7-endo cyclization.

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Organic Chemistry Frontiers

Organic Chemistry Frontiers
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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

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