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学科主题: 金属有机化学
题名: Modular chiral bidentate phosphonites: Design, synthesis, and application in catalytic asymmetric hydroformylation reactions
其他题名: Modular chiral bidentate phosphonites: Design, synthesis, and application in catalytic asymmetric hydroformylation reactions
作者: Zhao BG(赵宝国) ; Peng XG(彭新高) ; Wang Z(王正) ; Xia CG(夏春谷) ; Ding KL(丁奎岭)
通讯作者: 丁奎岭
刊名: Chem.-Eur. J.
发表日期: 2008
卷: 14, 期:26, 页:7847-7857
收录类别: SCI
部门归属: 上海有机所; 兰州化物所
英文摘要: A new class of C-2-symmetric chiral bidentate phosphonite ligands has been synthesized in moderate to good yields from readily available starting materials. Application of these air-stable chiral phosphonites in the Rh-I-catalyzed asymmetric hydroformylation of styrene derivatives, vinyl acetate, and allyl cyanide afforded the corresponding chiral aldehydes with high regio- and enantioselectivities under mild reaction conditions. The modular nature of the ligands allows fine-tuning of the selectivities through judicious modifications of the substituents on the ligand backbone. X-ray structural analysis of the catalyst precursor suggested that the steric hindrance caused by the protruding remote substituents of the ligands into the vicinity of the metal center might be an important factor for the enantio-control of the reaction, whereas the sense of asymmetric induction can be rationalized on the basis of a trigonal-bipyramidal transition state diagram.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000259523500016
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/17843
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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Recommended Citation:
Zhao BG,Peng XG,Wang Z,et al. Modular chiral bidentate phosphonites: Design, synthesis, and application in catalytic asymmetric hydroformylation reactions[J]. Chem.-Eur. J.,2008,14(26):7847-7857.
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