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Please use this identifier to cite or link to this item: http://uvadoc.uva.es/handle/10324/21728
Title: Cross Alkyl-Aryl Versus Homo Aryl-Aryl Coupling in Pdcatalyzed Coupling of Alkyl-Gold(I) and Aryl-X (X = Halide)
Authors: Carrasco, Desirée
Pérez Temprano, Mónica H.
Casares González, Juan Ángel
Espinet Rubio, Pablo
Issue Date: 2014
Publisher: American Chemical Society
Description: Producción Científica
Citation: Organometallics, 2014, 33 (13), p. 3540–3545
Abstract: Experiments on palladium catalyzed cross-coupling of [AuMe(PPh3)] with aryl iodides show that Ar–Ar homocoupling products are the main product or an abundant byproduct of the reaction. The percentage of cross-coupling product is higher for aryls with larger p Hammet parameter. The scrambling of organic groups via bimetallic intermediates explains the formation of these products. This scrambling can be observed and the activation energies partially quantified in some cases using as aryl C6Cl2F3, which is relatively reluctant to coupling.
Keywords: Catalyst
ISSN: 0276-7333
Peer Review: SI
DOI: 10.1021/om500446x
Sponsor: Ministerio de Economía, Industria y Competitividad (CTQ2011–25137)
Junta de Castilla y León (programa de apoyo a proyectos de investigación – Ref. VA256U13)
Language: eng
URI: http://uvadoc.uva.es/handle/10324/21728
Rights: info:eu-repo/semantics/openAccess
Appears in Collections:CINQUIMA - Artículos de revista
DEP63 - Artículos de revista

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