期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 25, 页码 7616-7620出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201402763
关键词
hydrogen donor; hydrogenation; organocatalysis; reductive amination; theoretical studies
资金
- MEXT, Japan
- JSPS
- MEXT
- Grants-in-Aid for Scientific Research [23350046] Funding Source: KAKEN
Chiral phosphoric acid catalyzed transfer hydrogenation of ketimines derived from propiophenone derivatives and reductive amination of alkyl ethyl ketone derivatives were extensively examined in the presence of two representative hydrogen donors. The excellent enantioselective transfer hydrogenation was achieved by use of benzothiazoline as a hydrogen donor. The theoretical studies elucidated that the unsymmetrical structure of benzothiazoline plays an important role in high enantioselective hydrogenation.
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