Journal
ADVANCED SYNTHESIS & CATALYSIS
Volume 352, Issue 14-15, Pages 2450-2454Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201000292
Keywords
6 pi-aza-electrocyclization; Claisen rearrangement; 1,2-dihydropyridines; gold; heterocycles; tandem reactions
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Funding
- National Basic Research Program of China [2010CB833200]
- NSFC [20772051, 20972058]
- MOE of P. R. China
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An efficient synthetic method was developed for the construction of substituted 1,2-dihydropyridines by gold-catalyzed tandem reactions. The key intermediates 2,4-dienals were generated from propargyl vinyl ethers or allenic vinyl ethers with gold catalysts. These two reactions involved the process of gold-catalyzed [3,3]-sigmatropic rearrangement/isomerization/amine condensation/6 pi-aza-electrocyclization.
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