The catalytic hydroaminomethylation of long chain alkenes with dimethylamine in aqueous-organic two-phase system

被引：25
|
作者：
Wang, YY [1 ]
Luo, MM [1 ]
Li, YZ [1 ]
Chen, H [1 ]
Li, XJ [1 ]
机构：
[1] Sichuan Univ, Dept Chem, Sichuan Key Lab Green Chem & Technol, Chengdu 610064, Peoples R China
来源：
APPLIED CATALYSIS A-GENERAL | 2004年 / 272卷 / 1-2期
关键词：
hydroaminomethylation; biphasic system; long chain alkenes; rhodium-phosphine complex; cationic surfactant;
D O I：
10.1016/j.apcata.2004.05.030
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：
Hydroaminomethylation of long chain alkenes with dimethylamine was investigated. The reaction was catalyzed by a water-soluble rhodium-phosphine complex, RhCl(CO)(TPPTS)(2) [TPPTS: P(m-C6H4SO3Na)(3)], in an aqueous-organic two-phase system in the presence of the cationic surfactant cetyltrimethylammonium bromide (CTAB). The reaction was friendly for the environment since it was free from any organic solvent. The addition of the cationic surfactant CTAB accelerated the reaction, apparently due to the micelle effect. The effects of various reaction parameters (such as reaction temperature, pressure, molar ratio of phosphine ligand to rhodium, catalyst concentration, molar ratio of dimethylamine to alkene and chain length of alkenes) on hydroaminomethylation were studied. High reactivity and selectivity for tertiary amine were achieved under relatively mild conditions (130degreesC, 3 MPa). (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：151 / 155
页数：5
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