Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume 85, Issue 17, Pages 11490-11500Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.0c01620
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Funding
- National Natural Science Foundation of China [21972125]
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A modular tandem synthesis of 2-carboxybenzofurans from 2-gem-dibromovinylphenols has been established based on a sequence of Cu-catalyzed intramolecular C-O coupling and Mo(CO)(6)-mediated intermolecular carbonylation reactions. This protocol allowed one-step access to a broad variety of functionalized benzofuran-2-carboxylic acids, esters, and amides in good to excellent yields under Pd- and CO gas-free conditions.
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