SUPRAPhos ligands for the regioselective rhodium catalyzed hydroformylation of styrene forming the linear aldehyde

被引：33

作者：

Goudriaan, P. Elsbeth ^{[1
]}

Kuil, Mark ^{[1
]}

Jiang, Xiao-Bin ^{[1
]}

van Leeuwen, Piet W. N. M. ^{[1
]}

Reek, Joost N. H. ^{[1
]}

机构：

[1] Vant Hoff Inst Mol Sci, NL-1018 WV Amsterdam, Netherlands

来源：

DALTON TRANSACTIONS | 2009年 / 10期

关键词：

COMBINATORIAL HOMOGENEOUS CATALYSIS; BIDENTATE LIGANDS; ENANTIOSELECTIVE HYDROFORMYLATION; ASYMMETRIC HYDROFORMYLATION; SUPRAMOLECULAR CATALYST; COMPLEXES; PALLADIUM; HYDROGENATION; CONSEQUENCES; BIS-ZINC(II);

D O I：

10.1039/b818665k

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

We report SUPRAphos-based rhodium catalysts that are unusually regioselective in the hydroformylation of styrene at low temperatures (40 degrees C) producing mainly the linear aldehyde (72%). This ligand-specific phenomenon is observed for two rhodium catalysts with heterobidentate phosphine-phosphoramidite ligands. We propose that the high selectivity for the linear product is caused by enhanced beta-hydride elimination, due to specific substrate-ligand interactions, most likely pi-pi interactions.

引用

页码：1801 / 1805

页数：5

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