Highly regioselective hydroformylation of 1-dodecene catalyzed by Rh-BISBIS in aqueous two-phase system

被引：31
|
作者：
Chen, H [1 ]
Li, YZ [1 ]
Li, RX [1 ]
Cheng, PM [1 ]
Li, XJ [1 ]
机构：
[1] Sichuan Univ, Dept Chem, Sichuan Key Lab Green Chem & Technol, Chengdu 610064, Sichuan, Peoples R China
来源：
JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2003年 / 198卷 / 1-2期
关键词：
aqueous two-phase system; 1-dodecene hydroformylation; diphosphine; surfactant;
D O I：
10.1016/S1381-1169(02)00685-4
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The hydroformylation of 1-dodecene catalyzed by RhCl(CO)(TPPTS)(2)-BISBIS [TPPTS: P(m-C6H4SO3Na)(3), BISBIS: sulfonated 1, 1'-bis(diphenylphosphino methyl)-2,2'-biphenyl] in aqueous/organic two-phase system was studied. The addition of cationic surfactant cetyltrimethylamonium bromide (CTAB) greatly accelerated the reaction rate and the high regioselictivity for linear aldehyde using diphosphine as ligand was attained under two-phase conditions. Both high activity (TOF: 740 h(-1)) and excellent regioselectivity (96.5% of 1-tridecanal) were obtained at 120 degreesC, 2.0 MPa and [BISBIS]/[Rh] ratio of 3 in the presence of CTAB. (C) 2002 Elsevier Science B.V All rights reserved.
引用
收藏
页码：1 / 7
页数：7
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