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学科主题: 金属有机化学
题名: Spiroketal-Based Phosphorus Ligands for Highly Regioselective Hydroformylation of Terminal and Internal Olefins
其他题名: 螺缩酮骨架磷配体在末端烯烃和内烯烃氢甲酰化反应中的应用
作者: Jia XF(贾肖飞) ; Wang Z(王正) ; Xia CG(夏春谷) ; Ding KL(丁奎岭)
通讯作者: 夏春谷 ; 丁奎岭
刊名: Chem.-Eur. J.
发表日期: 2012
卷: 18, 期:48, 页:15288-15295
收录类别: SCI
部门归属: 中科院兰州化学物理研究所; 中科院上海有机化学研究所
英文摘要: A new class of bidentate phosphoramidite ligands, based on a spiroketal backbone, has been developed for the rhodium-catalyzed hydroformylation reactions. A range of short- and long-chain olefins, were found amenable to the protocol, affording high catalytic activity and excellent regioselectivity for the linear aldehydes. Under the optimized reaction conditions, a turnover number (TON) of up to 2.3x104 and linear to branched ratio (l/b) of up to 174.4 were obtained in the RhI-catalyzed hydroformylation of terminal olefins. Remarkably, the catalysts were also found to be efficient in the isomerizationhydroformylation of some internal olefins, to regioselectively afford the linear aldehydes with TON values of up to 2.0x104 and l/b ratios in the range of 23.430.6. X-ray crystallographic analysis revealed the cis coordination of the ligand in the precatalyst [Rh(3d)(acac)], whereas NMR and IR studies on the catalytically active hydride complex [HRh(CO)(2)(3d)] suggested an eqeq coordination of the ligand in the species.
语种: 英语
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WOS记录号: WOS:000311306700012
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/28189
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:
Jia XF,Wang Z,Xia CG,et al. Spiroketal-Based Phosphorus Ligands for Highly Regioselective Hydroformylation of Terminal and Internal Olefins[J]. Chem.-Eur. J.,2012,18(48):15288-15295.
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