Substituent effects in dimethylsulfoxide-promoted carbon monoxide insertion into iron-alkyl bonds

Cotton J.D., Crisp G.T. and Latif L. (1981) Substituent effects in dimethylsulfoxide-promoted carbon monoxide insertion into iron-alkyl bonds. Inorganica Chimica Acta, 47 C: 171-176. doi:10.1016/S0020-1693(00)89325-1


Author Cotton J.D.
Crisp G.T.
Latif L.
Title Substituent effects in dimethylsulfoxide-promoted carbon monoxide insertion into iron-alkyl bonds
Journal name Inorganica Chimica Acta   Check publisher's open access policy
ISSN 0020-1693
Publication date 1981-01-01
Sub-type Article (original research)
DOI 10.1016/S0020-1693(00)89325-1
Volume 47
Issue C
Start page 171
End page 176
Total pages 6
Subject 1303 Specialist Studies in Education
1604 Human Geography
1606 Political Science
2505 Materials Chemistry
Abstract The insertion reaction of carbon monoxide, induced by dimethylsulfoxide, into iron-carbon sigma bonds in the complexes, [(η5-C5H5)(CO)2-FeR], has been extended to a wide variety of primary and secondary alkyl substituents. Rate constants for the forward (k1) and reverse (k-1) reactions, together with the second order rate constant (k2), for the further reaction of the solvated acyl complex with triphenylphosphine, have been measured and evaluated. The major substituent effect is seen in k1 and appears largely to reflect steric enhancement of reaction. The relative reactivity of a series (methyl through n-octyl) of straight chain alkyl complexes has been compared with a recent theoretical prediction. Thermodynamic and kinetic parameters for the formation of the solvated acyl have been measured and evaluated.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 28 Jun 2016, 14:34:29 EST by System User