Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 352, Issue 14-15, Pages 2455-2458Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000240
Keywords
aldehydes; dihydropyranones; N-heterocyclic carbenes; organocatalysis; umpolung
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Funding
- Chinese Academy of Sciences
- National Natural Science Foundation [20772147, 20972179]
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The N-heterocyclic carbene-catalyzed reaction of alkynyl aldehydes with 1,3-keto esters or 1,3-diketones has been studied. This protocol offers an entirely new, mild and atom-economical access to highly functionalized 3,4-dihydropyranones.
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