Oxidative annulations triggered by a simple Lewis acid: facile synthesis of benzofurans

文献情報

出版日 2017-02-08

DOI 10.1039/C6QO00531D

インパクトファクター 5.281

著者

Chinnabattigalla Sreenivasulu, A. Gopi Krishna Reddy, G. Satyanarayana

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要旨

The first example of Lewis acid promoted efficient one-pot synthesis of benzofurans is presented. Unlike previous reports on oxidative annulations between phenols and internal acetylenes, a simple and highly facile Lewis acid mediated protocol is presented. The Lewis acid (ZnCl2) played a crucial role to promote dual (C–H and O–H) bond formation, presumably via a six-membered cyclic transition state. Significantly, a variety of benzofurans were accomplished with symmetrical/unsymmetrical acetylenes.

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

Oxidative annulations triggered by a simple Lewis acid: facile synthesis of benzofurans

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