Highly efficient and stable palladium/imidazolium salt-phosphine catalysts for Suzuki-Miyaura cross-coupling of aryl bromides

被引:40
|
作者
Shi, Ji-Cheng [1 ]
Yang, Peng-Yu
Tong, Qingsong
Wu, Yang
Peng, Yiru
机构
[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
[2] Fujian Normal Univ, Coll Chem & Mat Sci, Fuzhou 350007, Peoples R China
基金
中国国家自然科学基金;
关键词
cross-coupling; palladium; N-heterocyclic carbene; phosphine; biaryl;
D O I
10.1016/j.molcata.2006.04.025
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
A robust palladium catalyst system supported by the hybrid ligand N-heterocyclic carbene along with a phosphine derived from ferrocene has been discovered for the Suzuki cross-coupling reaction. This novel system effectively catalyzes the cross-coupling of aryl bromides and phenylboronic acid with up to 20,000 TONs and 10,000 h(-1) TOFs to produce biaryl products in excellent yields. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:7 / 10
页数:4
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