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Ni-Catalyzed α-arylation of esters and amides with phenol derivatives
被引:88
作者:
Koch, Eva
[1
]
Takise, Ryosuke
[2
,3
]
Studer, Armido
[1
]
Yamaguchi, Junichiro
[2
,3
]
Itami, Kenichiro
[2
,3
,4
]
机构:
[1] Univ Munster, Inst Organ Chem, D-48149 Munster, Germany
[2] Nagoya Univ, Grad Sch Sci, Inst Transformat Biomol WPI ITbM, Chikusa Ku, Nagoya, Aichi 4648602, Japan
[3] Nagoya Univ, Grad Sch Sci, Dept Chem, Chikusa Ku, Nagoya, Aichi 4648602, Japan
[4] Nagoya Univ, Itami Mol Nanocarbon Project, JST,ERATO, Chikusa Ku, Nagoya, Aichi 4648602, Japan
关键词:
C-O BOND;
ARYL HALIDES;
SUZUKI-MIYAURA;
AZOLES;
CARBONYL;
ACTIVATION;
VINYLATION;
OXINDOLES;
CLEAVAGE;
ETHERS;
D O I:
10.1039/c4cc08426h
中图分类号:
O6 [化学];
学科分类号:
0703 ;
摘要:
A nickel-catalyzed alpha-arylation of esters and amides with phenol derivatives has been accomplished. In the presence of our unique nickel catalyst, prepared in situ from Ni(cod)(2), 3,4-bis(dicyclohexyl-phosphino) thiophene (dcypt), and K3PO4, various esters and amides undergo alpha-arylation with O-arylpivalates or O-arylcarbamates to afford the corresponding coupling products. The thus obtained alpha-aryl esters and amides are useful precursors of privileged motifs such as alpha-arylcarboxylic acids and beta-arylamines.
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页码:855 / 857
页数:3
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