期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 12, 期 18, 页码 2335-2342出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/asia.201700739
关键词
asymmetric catalysis; chirality; coordination modes; enantioselectivity; transition metals
资金
- Deutche Forschungsgemeinschaft [ME 1805/11-1, ME 1805/13-1]
- LOEWE Research Cluster SynChemBio of the Federal State of Hessen, Germany
Chirality is an essential feature of asymmetric catalysts. This review summarizes asymmetric catalysts that derive their chirality exclusively from stereogenic metal centers. Reported chiral-at-metal catalysts can be divided into two classes, namely, inert metal complexes, in which the metal fulfills a purely structural role, so catalysis is mediated entirely through the ligand sphere, and reactive metal complexes. The latter are particularly appealing because structural simplicity (only achiral ligands) is combined with the prospect of particularly effective asymmetric induction (direct contact of the substrate with the chiral metal center). Challenges and solutions for the design of such reactive stereogenic-only-at-metal asymmetric catalysts are discussed.
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