期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 22, 期 35, 页码 12316-12320出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201603148
关键词
alcohols; amination; homogeneous catalysis; iron; manganese
资金
- Austrian Science Fund (FWF) [P28866-N34]
- X-ray center of the Vienna University of Technology
- Austrian Science Fund (FWF) [P 28866] Funding Source: researchfish
- Austrian Science Fund (FWF) [P28866] Funding Source: Austrian Science Fund (FWF)
Herein, we describe an efficient coupling of alcohols and amines catalyzed by well-defined isoelectronic hydride Mn-I and Fe-II complexes, which are stabilized by a PNP ligand based on the 2,6-diaminopyridine scaffold. This reaction is an environmentally benign process implementing inexpensive, earth-abundant non-precious metal catalysts, and is based on the acceptorless alcohol dehydrogenation concept. A range of alcohols and amines including both aromatic and aliphatic substrates were efficiently converted in good to excellent isolated yields. Although in the case of Mn selectively imines were obtained, with Feexclusively monoalkylated amines were formed. These reactions proceed under base-free conditions and required the addition of molecular sieves.
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