NDLI: Electrocatalysis and electron transfer mechanisms in the reduction of organic halides at Ag

Content Provider	Springer Nature Link
Author	Isse, Abdirisak Ahmed Berzi, Giacomo Falciola, Luigi Rossi, Manuela Mussini, Patrizia R. Gennaro, Armando
Copyright Year	2009
Abstract	The reductive cleavage of a series of organic halides, including both aromatic and aliphatic compounds, has been investigated in acetonitrile at glassy carbon (GC) and silver electrodes. Ag exhibits extraordinary electrocatalytic activities for the reduction of most of the investigated halides. During the reductive cleavage of a carbon–halogen bond, electron transfer (ET) and bond breaking may occur either in a single step or in two distinct steps. The compounds examined in this study are representative of both dissociative electron transfer (DET) mechanisms. In general a link between the DET mechanism and electrocatalysis at Ag is observed for the whole set of data. There is no catalysis at all when the ET involves a substituent that gives a stable radical anion. Furthermore, there is no catalysis for all aromatic chlorides. Instead, a remarkable electrocatalysis is observed for all compounds undergoing a concerted DET mechanism, regardless of the nature of the halogen atom.
Starting Page	2217
Ending Page	2225
Page Count	9
File Format	PDF
ISSN	0021891X
Journal	Journal of Applied Electrochemistry
Volume Number	39
Issue Number	11
e-ISSN	15728838
Language	English
Publisher	Springer Netherlands
Publisher Date	2009-01-21
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Electrocatalysis Silver electrode Dissociative electron transfer Organic halides Industrial Chemistry/Chemical Engineering Physical Chemistry Electrochemistry
Content Type	Text
Resource Type	Article
Subject	Materials Chemistry Chemical Engineering Electrochemistry

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