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Ether-lmidazolium Carbenes for Suzuki-Miyaura Cross-Coupling of Heteroaryl Chlorides with Aryl/Heteroarylboron Reagents
被引:39
|作者:
Kuriyama, Masami
[1
]
Matsuo, Seira
[1
]
Shinozawa, Mina
[1
]
Onomura, Osamu
[1
]
机构:
[1] Nagasaki Univ, Grad Sch Biomed Sci, Nagasaki 8528521, Japan
关键词:
ORTHO-SUBSTITUTED BIARYLS;
ARYL CHLORIDES;
PALLADIUM PRECATALYST;
GENERAL-METHOD;
BORONIC ACIDS;
COMPLEXES;
CATALYSTS;
LIGANDS;
NHC;
ROBUST;
D O I:
10.1021/ol4010189
中图分类号:
O62 [有机化学];
学科分类号:
070303 ;
081704 ;
摘要:
Easily accessible and handled ether-imidazolium chlorides were developed as ligand precursors. The coupling reactions of heteroaryl chlorides with aryl/heteroarylboronic acids and esters were catalyzed by the palladium/ether-imidazolium chloride system with high substrate tolerance to give various heterobiaryls in good to excellent yields.
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页码:2716 / 2719
页数:4
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