Journal
CHEMICAL COMMUNICATIONS
Volume 49, Issue 83, Pages 9642-9644Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cc45493b
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Funding
- 973 program [2011CB808600]
- NSFC [20972117, 21172176]
- Fundamental Research Funds for the Central Universities
- [NCET-10-0649]
- [IRT1030]
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An expedient access to optically active spiro-[butyrolactone-pyrrolidine] was successfully developed via an unprecedented Cu(I)-catalyzed exo-selective 1,3-DC of azomethine ylides with alpha-methylene-gamma-butyrolactone, which exhibited high diastereoselectivity (>98:2), excellent enantioselectivity (96->99% ee) and a broad substrate scope under mild conditions.
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