期刊
ORGANIC LETTERS
卷 17, 期 3, 页码 688-691出版社
AMER CHEMICAL SOC
DOI: 10.1021/ol503712m
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资金
- National High Technology Research and Development Program of China (863 Program) [2011AA10A207]
- National Natural Science Foundation of China [21472046, 21272247, 21290184]
A combination of an amino acid derived chiral phosphine catalyst and methyl acrylate efficiently catalyzed the direct Mannich reaction of cyclic beta-ketoesters and N-Boc-aldimines. The dual-reagent catalysis was presumed to function through the formation of a zwitterion, which catalyzed the reaction with excellent stereocontrol via a hydrogen-bonding assisted chiral ion-pair pathway.
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