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

Chinnabattigalla, S and Reddy, A G K and G, Satyanarayana (2017) Oxidative annulations triggered by a simple Lewis acid: facile synthesis of benzofurans. Organic Chemistry Frontiers. ISSN 2052-4129 (In Press)

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Abstract

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.

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IITH Creators:
IITH CreatorsORCiD
G, SatyanarayanaUNSPECIFIED
Item Type: Article
Subjects: Chemistry > Organic chemistry
Divisions: Department of Chemistry
Depositing User: Team Library
Date Deposited: 20 Feb 2017 09:21
Last Modified: 20 Feb 2017 09:21
URI: http://raiith.iith.ac.in/id/eprint/3052
Publisher URL: http://dx.doi.org/10.1039/C6QO00531D
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