期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 24, 页码 7156-7160出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201803804
关键词
aluminium; hydrides; lithium; reduction; sustainability
资金
- University Erlangen-Nurnberg
Imine-to-amine conversion with catalytic instead of stoichiometric quantities of LiAlH4 is demonstrated (85 degrees C, catalyst loading2.5mol%, pressure1bar). The effects of temperature, pressure, solvent, and catalyst modifications, as well as the substrate scope are discussed. Experimental investigations and preliminary DFT calculations suggest that the catalytically active species is generated insitu: LiAlH4+Ph(H)C=NtBuLiAlH(2)[N(tBu)CH2Ph](2). A cooperative mechanism in which Li and Al both play a prominent role is proposed.
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