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Photosensitizer-Free, Gold-Catalyzed C-C Cross-Coupling of Boronic Acids and Diazonium Salts Enabled by Visible Light
被引:114
作者:
Witzel, Sina
[1
]
Xie, Jin
[1
]
Rudolph, Matthias
[1
]
Hashmi, A. Stephen K.
[1
,2
]
机构:
[1] Heidelberg Univ, Organ Chem Inst, Neuenheimer Feld 270, D-69120 Heidelberg, Germany
[2] King Abdulaziz Univ, Dept Chem, Fac Sci, Jeddah 21589, Saudi Arabia
关键词:
aryldiazonium salts;
boronic acids;
C-C coupling;
gold catalysis;
visible light;
PHOTOREDOX CATALYSIS;
ORGANOGOLD COMPOUNDS;
OXIDATIVE ADDITION;
ALKENES;
ACTIVATION;
REACTIVITY;
D O I:
10.1002/adsc.201700121
中图分类号:
O69 [应用化学];
学科分类号:
081704 ;
摘要:
The first photosensitizer-free visible light-driven, gold-catalyzed C-C cross-couplings of arylboronic acids and aryldiazonium salts are reported. The reactions can be conducted under very mild conditions, using a catalytic amount of tris(4-trifluoromethyl)phosphinegold(I) chloride [(4-CF3-C6H4)(3)PAuCl] with methanol as the solvent allowing an alternative access to a variety of substituted biaryls in moderate to excellent yields with broad functional group tolerance.
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页码:1522 / 1528
页数:7
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