C-S bond formation catalyzed by N-heterocylic carbene palladium phosphine complexes

被引:41
|
作者
Fu, Ching-Feng [1 ]
Liu, Yi-Hung [1 ]
Peng, Shei-Ming [1 ]
Liu, Shiuh-Tzung [1 ]
机构
[1] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan
关键词
Palladium; N-Heterocyclic carbene; C-S coupling; Sulfide; CROSS-COUPLING REACTIONS; ARYL HALIDES; THIOLS; CHEMISTRY; REACTIVITY; CHLORIDES; SYSTEM;
D O I
10.1016/j.tet.2010.01.081
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
N-Heterocyclic carbenes (NHCs) are known to be useful ligands for palladium-complex catalysis It was found that [(NHC)Pd(PPh3)Cl-2] is an effective pre-catalyst in Pd-catalyzed C-S cross coupling reactions to produce the functionalized sulfides in excellent yields The turn over frequency (TOF) for the coupling of p-CH3C6H4Bi with p-CH3C6H4SH reaches to 6 25 (mol Of product) (mole of catalyst)(-1) h(-1) (C) 2010 Elsevier Ltd All rights reserved
引用
收藏
页码:2119 / 2122
页数:4
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