Intramolecular cross-coupling of gem-dibromoolefins: a mild approach to 2-bromo benzofused heterocycles

Stephen G. Newman; Valentina Aureggi; Christopher S. Bryan; Mark Lautens

doi:10.1039/B912093A

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Chemical Communications

Issue 35, 2009

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Intramolecular cross-coupling of gem-dibromoolefins: a mild approach to 2-bromo benzofused heterocycles

Stephen G. Newman , Valentina Aureggi , Christopher S. Bryan and Mark Lautens

Chem. Commun., 2009, 5236-5238

DOI: 10.1039/B912093A
Received 19 Jun 2009, Accepted 16 Jul 2009
First published on the web 06 Aug 2009
This article is part of the collection: Selective Catalysis for Organic Synthesis

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Abstract
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Highly useful halogenated benzofurans and benzothiophenes are prepared from readily available gem-dibromoolefins using a mild, ligand-free copper catalyzed cross-coupling procedure.

Abstract from Methods in Organic Synthesis 2010

The reaction of thiophenols and anilines under similar conditions gave the corresponding 2-bromo benzothiophenes and 2-bromo indoles in good yield.

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Chemical Communications

Intramolecular cross-coupling of gem-dibromoolefins: a mild approach to 2-bromo benzofused heterocycles

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