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题名: Polymer-supported palladium-nickel bimetallic catalyst for the regioselective hydroesterification of styrene
作者: Wan, BS;  Liao, SJ;  Xu, Y;  Yu, DR
关键词: bimetallic catalyst ;  synergic effect ;  polymer protection ;  regioselective hydroesterification ;  styrene
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 1998-12-21
卷: 136, 期:3, 页:263-268
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Polymer-supported PVP-PdCl2-4NiCl(2)-PPh3 bimetallic system [PVP = poly(N-vinyl-2-pyrrolidone)] is an efficient catalyst for the hydroesterification of styrene with CO and methanol. This catalyst provides a very highly regiospecific hydroesterification to the branched acid ester with complete conversion at 80 degrees C and CO pressure of 2.1 MPa. The high activity and selectivity of the catalyst are achieved by the synergic effect of Pd-Ni bimetallic system and the effect of polymer protection. In the presence of excess Hg or a base (NaOAc), all of the catalysts lose their activity entirely. The effect of mercury poison and the transmission electron micrograph measurement for the catalyst show that the catalytically active species are composed of particles of nanometric size in which Pd species are in the zero valent state. (C) 1998 Elsevier Science B.V. All rights reserved.
关键词[WOS]: MILD CONDITIONS ;  SELECTIVE HYDROGENATION ;  ORGANIC SYNTHESES ;  CARBON-MONOXIDE ;  CARBONYLATION ;  COMPLEXES ;  OLEFINS ;  HYDROCARBOALKOXYLATION ;  RUTHENIUM ;  CLUSTERS
语种: 英语
WOS记录号: WOS:000077201700006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138507
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

Recommended Citation:
Wan, BS,Liao, SJ,Xu, Y,et al. Polymer-supported palladium-nickel bimetallic catalyst for the regioselective hydroesterification of styrene[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,1998,136(3):263-268.
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