期刊
JOURNAL OF ORGANOMETALLIC CHEMISTRY
卷 694, 期 4, 页码 546-550出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2008.09.059
关键词
Alkynes; C-C-coupling; Gold; Homogeneous catalysis; Indoles
资金
- DGICYT [TQ2004-08077-C02-01/BQU, CTQ2007-61048/BQU]
- MEC
A new site-selective hydroarylation reaction of alkynes catalyzed by gold complexes and directed by an internal hydroxyl group has been developed. Thus, the treatment of 3-butyn-1-ol derivatives with indoles and a catalytic amount of an in situ formed cationic gold complex leads to the formation of bis(indolyl)alkane derivatives. Particularly interesting is the reaction with terminal alkynes as the double addition of the indol occurs at the terminal carbon of the triple bond. The reaction conditions are very mild and the final bis(indolyl)alkanes are obtained in high yields. (C) 2008 Elsevier B.V. All rights reserved.
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