期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 130, 期 17, 页码 5630-+出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja800326d
关键词
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A highly enantio- and diastereoselective catalytic asymmetric Mannich-type reaction of acyanoketones and N-Boc imines promoted by an amide ligand/Sc(OiPr)(3) catalyst is described. The similar reaction outcome is obtained with/without precomplexation of catalyst, suggesting that reaction i components in a non-ordered conglomerate mixture orchestrate to form an ordered transition state during the reaction. Spectroscopic data and Eyring plot are consistent with this assumption.
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