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学科主题: 金属有机化学
题名: Ruthenium(II)-Catalyzed Asymmetric Transfer Hydrogenation Using Unsymmetrical Vicinal Diamine-Based Ligands: Dramatic Substituent Effect on Catalyst Efficiency
其他题名: Ruthenium(II)-Catalyzed Asymmetric Transfer Hydrogenation Using Unsymmetrical Vicinal Diamine-Based Ligands: Dramatic Substituent Effect on Catalyst Efficiency
作者: Zhang B(张波) ; WANG HUI ; Lin GQ(林国强) ; Xu MH(徐明华)
通讯作者: 林国强 ; 徐明华
刊名: Eur. J. Org. Chem.
发表日期: 2011
期: 22, 页:4205-4211
收录类别: SCI
部门归属: 中科院上海有机化学研究所; 中科院上海药物研究所
英文摘要: The use of unsymmetrical vicinal diamines as ligands for Ru-catalyzed asymmetric transfer hydrogenation is described. With a SmI(2)-mediated cross-coupling protocol, a series of enantiomerically pure unsymmetrical vicinal diamines were readily prepared and examined in the asymmetric transfer hydrogenation. It was found that an aromatic substituent on the carbon bearing the -NHTs group and a bulky alkyl substituent on the other side, are both very important for the effectiveness of the ligand, suggesting that the substituent has a dramatic effect on the catalyst efficiency. With ligand 8, excellent enantioselectivities that are comparable to N-tosyl-1,2-diphenylethane-1,2-diamine (TsDPEN) were achieved. The results provide some helpful information on the mechanism of Ru-catalyzed asymmetric transfer hydrogenation.
语种: 英语
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WOS记录号: WOS:000293497900016
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/16723
Appears in Collections:中科院天然产物有机化学重点实验室_期刊论文

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Recommended Citation:
Zhang B,WANG HUI,Lin GQ,et al. Ruthenium(II)-Catalyzed Asymmetric Transfer Hydrogenation Using Unsymmetrical Vicinal Diamine-Based Ligands: Dramatic Substituent Effect on Catalyst Efficiency[J]. Eur. J. Org. Chem.,2011(22):4205-4211.
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