Palladium carboxylate/boron trifluoride etherate catalyst system for the selective dimerization of styrene

被引：9
|
作者：
Tkach, V. S.
Myagmarsuren, G.
Suslov, D. S.
Mesyef, M.
Shmidt, F. K.
机构：
[1] Irkutsk State Univ, Dept Chem, Irkutsk 664003, Russia
[2] Natl Univ Mongolia, Ulaanbaatar 210646, Mongolia
来源：
CATALYSIS COMMUNICATIONS | 2007年 / 8卷 / 04期
关键词：
uboron trifluoride; dimerization; palladium; phosphine; styrene;
D O I：
10.1016/j.catcom.2006.08.029
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 selective dimerization of styrene to 1,3-diphenyl-1-butene with Pd(carboxylate)(2) + BF3OEt2 catalyst system in both "phosphinefree" and "phosphine-modified" fashions has been investigated. For the Pd(OAC)(2) + 2PR(3) + 7BF(3)OEt(2) catalyst system, a TON of 145 000 and 90% selectivity to dimers have been achieved at 80 degrees C for 5 h. This TON is twice as large as compared to that achieved with the Pd(beta-diketonate)(2)-based systems. Styrene dimers up to 95% consist of trans-1,3-diphenyl-1-butene. The simplicity of this catalyst system composition might be of industrial importance. (c) 2006 Elsevier B.V. All rights reserved.
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收藏
页码：677 / 680
页数：4
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