期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 131, 期 40, 页码 14176-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja905501z
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资金
- ARC [DP0881137]
- Australian Research Council [DP0881137] Funding Source: Australian Research Council
Catalytic generation of alpha,beta-unsaturated acyl imidazolium cations and enolates has been achieved, and their involvement in a Michael addition acylation sequence exploited, to provide a range of dihydropyran ones. alpha,beta-Unsaturated enol esters, or alpha,beta-unsaturated acid fluorides in association with TMS enol ethers, serve as appropriate substrates for this reaction. The transformation can also be achieved enantioselectively using catalysts derived from chiral triazolium salts.
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