期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 39, 页码 11931-11935出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201705066
关键词
BrOnsted acid; cobalt; cyclization; heterocycles; phase-transfer catalysis
资金
- NSFC [21232007, 21202155, 21672002]
- Chinese Academy of Science [XDB20020000]
- Anhui Provincial Natural Science Foundation [1408085QB24]
- Young Talent Program in Anhui Provincal University [gxyqZD2017017]
- Opening Project of State Key Laboratory of Tea Plant Biology and Utilization [SKLTOF20150108]
BrOnsted acids of anionic chiral Co-III complexes act as bifunctional phase-transfer catalysts to shuttle the substrates across the solvent interface and control stereoselectivity. The diastereomeric chiral Co-III-templated BrOnsted acids, with the same chiral ligands, enabled a switch in the enantioselective bromoaminocyclization of olefins to afford the two enantiomers of 2-substituted pyrrolidines with high enantioselectivities (up to 99:1 e.r.).
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