Water-soluble palladacycles as precursors to highly recyclable catalysts for the suzuki coupling of aryl bromides in aqueous solvents

被引：119
作者：
Huang, Rongcai
Shaughnessy, Kevin H.
机构：
[1] Univ Alabama, Dept Chem, Tuscaloosa, AL 35487 USA
[2] Univ Alabama, Ctr Green Mfg, Tuscaloosa, AL 35487 USA
来源：
ORGANOMETALLICS | 2006年 / 25卷 / 17期
关键词：
D O I：
10.1021/om050940y
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A family of water-soluble palladacycles was prepared from benzylamine or benzaldehyde imine ligands bearing hydrophilic functional groups. The palladacycles derived from N,N-dimethyl-p-hydroxybenzylamine (7) and sodium 4-(N-benzylideneamino) benzenesulfonate (10) gave active catalysts for the Suzuki coupling of aryl bromides and activated aryl chlorides in combination with (2-di-tert-butylphosphinoethyl)trimethylammonium chloride (t-Bu-Amphos). The catalyst derived from 10/t-Bu-Amphos could be used for 12 reaction cycles in the Suzuki coupling of 4-bromotoluene at 80 degrees C before a significant loss of catalyst activity was observed.
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收藏
页码：4105 / 4112
页数：8
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