Tunable Palladium-FibreCats for Aryl Chloride Suzuki Coupling with Minimal Metal Leaching

被引:38
作者
Colacot, Thomas J. [1 ]
Carole, William A. [1 ]
Neide, Bruce A. [1 ]
Harad, Ajay [1 ]
机构
[1] Johnson Matthey Catalysis & Chiral Technol, W Deptford, NJ 08066 USA
关键词
D O I
10.1021/om800047y
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
A very convenient general method was developed for making tunable polypropylene-supported Pd complexes of electron-rich and bulky monodentate ligands such as Q-Phos, t-Bu3P, (Me2NC6H4)P(t-Bu)(2) (A(ta)-Phos), and IPr-carbene as well as bidentate ligands such as BINAP, dppf, and dippf in 4-8% Pd loading. These catalysts have been utilized for Suzuki coupling of aryl chlorides and bromides with product conversions up to 100%. Minimal metal leaching has been observed in many cases. Many of these catalysts were recycled a few times in model systems with an undetected amount of Pd leaching.
引用
收藏
页码:5605 / 5611
页数:7
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