Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 354, Issue 6, Pages 1149-1155Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201100983
Keywords
benzannulation; cycloaddition; N-heterocyclic carbenes; palladium catalysis; turnover number
Categories
Funding
- National Science Foundation [CHE-1112055]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1112055] Funding Source: National Science Foundation
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A highly efficient catalytic system for the palladium-catalyzed [4+2] benzannulation reaction of enynes and enynophiles has been developed. The use of an N-heterocyclic carbene-based palladium precursor allowed us to achieve turnover numbers up to 1800. The new catalytic system has enabled an expansion of the scope of the [4+2]?homo-benzannulation reaction.
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