Cobalt(II)-Porphyrin-Catalyzed Aerobic Oxidation: Oxidative Coupling of Phenols

被引：42
|
作者：
Jiang, Qing [1 ]
Sheng, Wenbing [1 ]
Tian, Mi [1 ]
Tang, Jie [1 ]
Guo, Cancheng [1 ]
机构：
[1] Hunan Univ, Coll Chem & Chem Engn, Changsha 410082, Hunan, Peoples R China
来源：
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY | 2013年 / 2013卷 / 10期
关键词：
Homogeneous catalysis; Oxidation; Metalloporphyrins; Cobalt; C-H functionalization; Biaryls; ASYMMETRIC CONJUGATE ADDITION; CHIRAL SELF-DIMERIZATION; SUBSTITUTED PHENOLS; SELECTIVE SYNTHESIS; VANADIUM COMPLEXES; DUAL ACTIVATION; SIO2; SURFACE; 2-NAPHTHOLS; CATALYSTS; DERIVATIVES;
D O I：
10.1002/ejoc.201201595
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The first example of the cobalt-porphyrin-catalyzed aerobic oxidative coupling of phenols through oxidative C-H functionalization has been developed. In the presence of T(p-OMe)PPCo and Na2CO3, the oxidative coupling of phenols with different substituents proceeded smoothly with O-2 as a terminal oxidant to give the corresponding biaryl compounds in satisfactory yields. The biaryl derivatives are important in the area of pharmaceuticals and as ligands in metal catalysis. Preliminary mechanistic studies of this oxidative coupling reaction are also reported.
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页码：1861 / 1866
页数：6
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