Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 15, Issue 38, Pages 8054-8058Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ob01977g
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- NSFC [81502909]
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Reported herein is the first Rh(III)-catalyzed carbenoid insertion C-H activation/cyclization of N-arylureas and alpha-diazo beta-keto esters. The redox-neutral reaction has the following features: good to excellent yields, broad substrate/functional group tolerance, exclusive regioselectivity, and no need for additional oxidants or additives, which render this methodology as a more efficient and versatile alternative to the existing methods for the synthesis of 2,3-difunctionalized indoles.
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