Quantifying the electrostatic driving force behind Sml2 reductions

Hani Farran, Shmaryahu Hoz

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

(Equation Presented) The equilibrium constant for the electron transfer between Sml2 and substituted benzophenones was determined. The electron transfer reactions are exothermic with ΔGeq ranging from -5.1 to -1.6 kcal/mol. Redox potentials suggest that the electron transfer reactions should be endothermic by ca. 25 kcal/mol, contrary to the experimental observation. It is suggested that the change from endothermicity to exothermicity stems from the electrostatic attraction between the negatively charged radical anion and Sm3-.

Original languageEnglish
Pages (from-to)4875-4877
Number of pages3
JournalOrganic Letters
Volume10
Issue number21
DOIs
StatePublished - 2008

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