期刊
ORGANIC CHEMISTRY FRONTIERS
卷 1, 期 3, 页码 298-302出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3qo00059a
关键词
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资金
- National Natural Science Foundation of China [21321061]
- National Basic Research Program of China (973 Program) [2010CB833300]
A class of conformationally flexible ligands composed of a tertiary amino oxide-amide backbone and a straight-chain alkyl spacer was developed. These C-2-symmetric chiral N,N'-dioxide ligands could be straightforwardly synthesized from readily available amino acids and amines. They act as neutral tetra-dentate ligands to bind a wide variety of metal ions. Non-planar cis-alpha M(N,N'-dioxide) complexes enable an intriguing and easily fine-tuned chiral platform for a number of asymmetric reactions. Privileged N,N'-dioxide ligands frequently show wide substrate generality and exceptional levels of stereocontrol for a specific catalytic reaction. We describe approaches to the ligand design and synthesis, structure and bonding in coordination complexes, and the recent developments in asymmetric catalysis.
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