Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 24, Issue 42, Pages 10617-10620Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201801628
Keywords
acyl radical; acylation; heteroarene; phenylacetylene; photoredox
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Funding
- CSIR [P-81-113]
- DBT, New Delhi [1151/2016]
- CSIR for Fellowship
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A photoredox-mediated acylation reaction of electron deficient heteroarenes with terminal alkynes is reported. The method relies on oxidative cleavage of phenylacetylenes for generation of acyl radicals as a key enabling feature. The reaction is regioselective with broad substrate scope. Quantum yield investigations support a radical chain mechanism.
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