The stepped reaction of decafluorobiphenyl with thiophenol studied by in situ ¹⁹F NMR spectroscopy

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• 作者：Christian Langner ; Jochen Meier-Haack ; Brigitte Voit ; Hartmut Komber
• 关键词：Nucleophilic substitution ; Decafluorobiphenyl ; Kinetics ; 19F NMR ; Thiophenol
• 刊名：Journal of Fluorine Chemistry
• 出版年：December, 2013
• 年：2013
• 卷：156
• 期：Complete
• 页码：314-321
• 全文大小：1172 K

文摘

Kinetic studies on the reaction of decafluorobiphenyl and di- and tetra(phenylthio)-substituted perfluorobiphenyl with thiophenol in the presence of triethylamine were performed by in situ ¹⁹F NMR spectroscopy to determine rate constants. In well-defined consecutive reactions, the even-numbered phenylthio derivatives are main products whereas the odd-numbered derivatives are much more reactive and were observed only in low concentrations. Very pronounced differences in rate constants and reactivity were obtained.