期刊
GREEN SYNTHESIS AND CATALYSIS
卷 3, 期 2, 页码 137-149出版社
KEAI PUBLISHING LTD
DOI: 10.1016/j.gresc.2022.03.001
关键词
Dirhodium(II); Axial ligand; NHC carbene; Phosphine; Enantioselectivity; Remote control
资金
- USTC Research Funds of the Double First -Class Initiative [YD2060002014]
- Minjiang University [32903602, MJY20019, MYK21007]
- Fujian Education Department [JT180396]
This review summarizes the strategies for introducing various bridging ligands such as carboxylic acids, amide, and phosphoric acids in dirhodium(II)-catalyzed organic reactions, which significantly enhance the activity and selectivity of the metal complexes involved. The newly explored reactivity of dirhodium(II) complexes with N-heterocyclic carbenes or phosphines as axial ligands is discussed, as well as the asymmetric tries where the stereo-induction solely comes from the axial ligand. The reactions catalyzed by inherent chiral ortho-metalated dirhodium(II)/phosphine complexes are also examined.
The dirhodium(II)-catalyzed organic reactions, including asymmetric transformation, are significantly benefitted from the discovery of simple and efficient protocols to introduce various bridging ligands, e.g. carboxylic acids, amide and phosphoric acids. Ligands lying at axial position of dirhodium(II) complexes could strongly affect the activity and selectivity of these metal complexes involved reactions. This review summarizes the newly explored reactivity of dirhodium(II) complexes with N-heterocyclic carbenes or phosphines as the axial ligands. The asymmetric tries are also highlighted, where their stereo-induction were solely from the axial ligand of dirhodium(II) complexes. In the last part, the reactions catalyzed by inherent chiral ortho-metalated dirhodium(II)/ phosphine complexes are also discussed.
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