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A General Strategy for Organocatalytic Activation of C–H Bonds via Photoredox Catalysis: Direct Arylation of Benzylic Ethers
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Merck Center for Catalysis, Princeton University, Princeton, New Jersey 08544, United States
J. Am. Chem. Soc., 2014, 136 (2), pp 626–629
DOI: 10.1021/ja411596q
Publication Date (Web): December 16, 2013
Copyright © 2013 American Chemical Society
Abstract
Direct C–H functionalization and arylation of benzyl ethers has been accomplished via photoredox organocatalysis. The productive merger of a thiol catalyst and a commercially available iridium photoredox catalyst in the presence of household light directly affords benzylic arylation products in good to excellent yield. The utility of this methodology is further demonstrated in direct arylation of 2,5-dihydrofuran to form a single regioisomer.
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