Asymmetric hydrodimerization of styrene by a chiral zirconium complex containing a tetradentate [OSSO]-type bis(phenolato) ligand

被引：4
|
作者：
Galdi, Nunzia [1 ]
Santoro, Orlando [1 ]
Oliva, Leone [1 ]
Proto, Antonio [1 ]
Capacchione, Carmine [1 ]
机构：
[1] Univ Salerno, Dipartimento Chim Biol, I-84084 Salerno, Italy
来源：
CATALYSIS COMMUNICATIONS | 2011年 / 12卷 / 12期
关键词：
Asymmetric catalysis; Carbon-carbon bond formation; Styrene; Zirconium; TITANIUM COMPLEXES; POLYMERIZATION; REGIOSELECTIVITY; POLYINSERTION; CATALYSTS; SITE;
D O I：
10.1016/j.catcom.2011.03.037
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 chiral non racemic (A.R.R)-[OSSO]Zr(CH2Ph)(2) (1a) activated by methylaluminoxane (MAO) and in presence of H-2 produces the chiral hydrodimer (S)-1,3-diphenylbutane with good selectivity respect to the achiral 1,4-diphenylbutane. The absolute configuration of the chiral dimer and the effect of the hydrogen pressure on the ratio between 1,3-diphenylbutane and 1,4-diphenylbutane give useful information about the regiochemistry and stereochemistry of insertion of the styrene into the Zr-H bond. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：1113 / 1117
页数：5
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