Publication
Title
Oxidative addition of haloheteroarenes to palladium(0) : concerted versus -type mechanism
Author
Abstract
The kinetics of the oxidative additions of haloheteroarenes HetX (X=I, Br, Cl) to [Pd0(PPh3)2] (generated from [Pd0(PPh3)4]) have been investigated in THF and DMF and the rate constants have been determined. In contrast to the generally accepted concerted mechanism, Hammett plots obtained for substituted 2-halopyridines and solvent effects reveal a reaction mechanism dependent on the halide X of HetX: an unprecedented SNAr-type mechanism for X=Br or Cl and a classical concerted mechanism for X=I. These results are supported by DFT studies.
Language
English
Source (journal)
Chemistry: a European journal. - Weinheim
Publication
Weinheim : 2015
ISSN
0947-6539
Volume/pages
21:21(2015), p. 7858-7865
ISI
000354204300031
Full text (Publishers DOI)
UAntwerpen
Faculty/Department
Research group
Publication type
Subject
Affiliation
Publications with a UAntwerp address
External links
Web of Science
Record
Identification
Creation 31.03.2015
Last edited 10.05.2017
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