Catalytic Dehalogenation of Aryl Halides via Excited State Electron Transfer from the Co(I) State of B12 Complex

Hisashi Shimakoshi, Keita Shichijo, Shiori Tominaga, Yoshio Hisaeda, Mamoru Fujitsuka, Tetsuro Majima

Research output: Contribution to journalArticle

Abstract

Reductive dehalogenation of aryl halides, bromobenzonitrile and iodobenzonitrile by the photo-excited B12 complex with the labile Co(I) oxidation state under anaerobic conditions was reported for the first time. A sub-pico second time-resolved spectroscopic analysis showed that the excited state of the B12 complex, ∗Co(I), has a 280 ps lifetime and the rate constants of electron transfer to the reactants (kET) are 3.6

Original languageEnglish
Pages (from-to)820-822
Number of pages3
JournalChemistry Letters
Volume49
Issue number7
DOIs
Publication statusPublished - Jul 2020

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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