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 Creators ORCiD G, Satyanarayana UNSPECIFIED
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://raiithold.iith.ac.in/id/eprint/3052
Publisher URL:	http://dx.doi.org/10.1039/C6QO00531D
Related URLs:	Google Scholar

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