Issue 99, 2021

An NAD+-type earth-abundant metal complex enabling photo-driven alcohol oxidation

Abstract

For the first time, an NAD+-type earth-abundant metal complex [Zn(pbn)2(H2O)](ClO4)2 (1) was found to exhibit photo-induced oxidizing ability to convert various primary and secondary alcohols to the corresponding aldehyde and ketone compounds. In addition, a two-electron-reduced Zn(II) complex [Zn(pbnH–pbnH)(ClO4)2] (1red) comprising the novel C–C coupling ligand, obtained by the photo-induced oxidation of alcohols by 1, was successfully isolated and completely characterized. We clarified that the photochemical oxidation of alcohols by 1 to produce 1red proceeds via an electron transfer followed by proton transfer mechanism as elucidated by kinetic analysis on the basis of absorption spectroscopic measurements.

Graphical abstract: An NAD+-type earth-abundant metal complex enabling photo-driven alcohol oxidation

Supplementary files

Article information

Article type
Communication
Submitted
21 Aug. 2021
Accepted
19 Nov. 2021
First published
23 Nov. 2021

Chem. Commun., 2021,57, 13574-13577

An NAD+-type earth-abundant metal complex enabling photo-driven alcohol oxidation

H. Ohtsu, M. Takaoka, Y. Tezuka, K. Tsuge and K. Tanaka, Chem. Commun., 2021, 57, 13574 DOI: 10.1039/D1CC04665A

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