Homolytic substitution in trialkyltin iodides by photochemically generated iodine atoms. I. Kinetics

✍ Scribed by P. H. De Ryck; L. Verdonck; G. P. Van Der Kelen

• Publisher: John Wiley and Sons
• Year: 1985
• Tongue: English
• Weight: 488 KB
• Volume: 17
• Category: Article
• ISSN: 0538-8066
• DOI: 10.1002/kin.550170109

✦ Synopsis

The kinetics of the homolytic substitution of several trialkyltin iodides by iodine atoms are presented. Rate constants have been determined at three different temperatures and the following activation parameters calculated: A , E,, and AS"'. The observation that the activation energy, AG*, is related to the driving force of the ion-pair formation, leads to the conclusion that the charge-transfer model is a valid approach for substitution in the reaction between R,SnI compounds and iodine atoms. cc14 i-Bu, S-Bu).