Template-Directed Synthesis of Palladium(II) Sulfonate-NHC Complexes and Catalytic Studies in Aqueous Mizoroki-Heck Reactions

被引：46
|
作者：
Yuan, Dan [1 ]
Teng, Qiaoqiao [1 ]
Han Vinh Huynh [1 ]
机构：
[1] Natl Univ Singapore, Dept Chem, Singapore 117543, Singapore
来源：
ORGANOMETALLICS | 2014年 / 33卷 / 07期
关键词：
N-HETEROCYCLIC CARBENES; WATER; LIGAND; SUZUKI; EFFICIENT; PD(II); SONOGASHIRA; DINUCLEAR; OXIDATION; GOLD(I);
D O I：
10.1021/om500140g
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Oxidation of easily accessible thiolato-functionalized dinuclear Pd(II) NHC complexes 1-3 by Oxone gave rise to sulfonate-NHC complexes 4-6. This represents the first template-directed approach to NHC complexes bearing sulfonate functions, where the sulfur atoms undergo a six-electron oxidation, changing their oxidation states from -II to +IV. The catalytic activities of water-soluble 4-6 were also tested in aqueous Mizoroki-Heck reactions.
引用
收藏
页码：1794 / 1800
页数：7
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