期刊
ORGANIC LETTERS
卷 11, 期 9, 页码 1919-1922出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol9003959
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资金
- Merck Frosst Center for Therapeutic Research
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- Canadian Foundation for Innovation
- Ontario Innovation Trust
- University of Waterloo
- Government of Canada for a graduate scholarship (NSERC CGS-D)
Alkylidene Meldrum's acids are allylated in a conjugate fashion by allyltin nucleophiles under mild Sc(OTf)(3)-catalyzed conditions. The addition is functional group tolerant and reactions with nonracemic alkylidenes are highly diastereoselective. Allylation of alkylidenes derived from alpha-ketoesters yield all-carbon quaternary stereocenters.
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