Solution structure and behavior of benzophenone-based achiral bisphosphine ligands in noyori-type Ru(II)-catalysts
文献类型:期刊论文
作者 | Jing Q(荆庆) ; Sandoval, Christian A. ; 山口芳树 ; 加藤晃一 ; Ding KL(丁奎岭) |
刊名 | Chin. J. Chem.
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出版日期 | 2007 |
卷号 | 25期号:8页码:1163-1170 |
ISSN号 | 1001-604X |
其他题名 | Noyori-型Ru-II催化剂中二苯甲酮非手性双膦配体的溶液行为及结构 |
通讯作者 | 丁奎岭 |
英文摘要 | We herein report on solution structural studies of Ru-II catalysts (3a, 9) composed of achiral bisphosphine ligands (4, 8) and the enantiopure 1,2-diphenylethylenediamine (DPEN). Complete chiral induction from enantiopure (R,R)-DPEN to achiral bisphosphine ligand 3a was observed in solution, with the complex adopting a single, stable and non-fluxional (even at 70 degrees C) configuration. The coordination of the C=O moiety in 4 to the cationic Ru-II center is considered to be of key importance in providing the higher thermodynamic and kinetic rotation barrier for the flexible bisphosphine ligand in the complex. The obtained enantioselectivity (91% enantiomeric excess) and sense of chiral induction in the hydrogenation of acetophenone were found to be solely dependent on the chirality of the 1,2-diamine. Consistent with the hydrogenation product, the (R,R)-DPEN induces a M-conformation (right-handed) chirality for flexible phosphine ligand 4 in the complex, resulting in a lambda,lambda-configuration about the Run center. |
学科主题 | 金属有机化学 |
收录类别 | SCI |
原文出处 | http://dx.doi.org/10.1002/cjoc.200790217 |
语种 | 英语 |
WOS记录号 | WOS:000248877900022 |
公开日期 | 2013-02-22 |
源URL | [http://202.127.28.38/handle/331003/17835] ![]() |
专题 | 上海有机化学研究所_金属有机化学国家重点实验室 |
推荐引用方式 GB/T 7714 | Jing Q,Sandoval, Christian A.,山口芳树,et al. Solution structure and behavior of benzophenone-based achiral bisphosphine ligands in noyori-type Ru(II)-catalysts[J]. Chin. J. Chem.,2007,25(8):1163-1170. |
APA | 荆庆,Sandoval, Christian A.,山口芳树,加藤晃一,&丁奎岭.(2007).Solution structure and behavior of benzophenone-based achiral bisphosphine ligands in noyori-type Ru(II)-catalysts.Chin. J. Chem.,25(8),1163-1170. |
MLA | 荆庆,et al."Solution structure and behavior of benzophenone-based achiral bisphosphine ligands in noyori-type Ru(II)-catalysts".Chin. J. Chem. 25.8(2007):1163-1170. |
入库方式: OAI收割
来源:上海有机化学研究所
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