Issue 13, 2022

Synthesis and reactivity of PC(sp3)P-pincer iridium complexes bearing a diborylmethyl anion

Abstract

Novel PCP-pincer iridium complexes bearing a diborylmethyl anion were synthesized. Strong σ-electron-donation to the metal and significant π-backdonation from the metal to boron atoms at the β-position were observed both experimentally and computationally. H/D exchange of the aromatic C–H bond proceeded smoothly and, in addition, the α-methine-hydrogen between boron atoms was found to be replaced with deuterium in benzene-d6 solution possibly through diborylcarbene metal complexes as intermediates.

Graphical abstract: Synthesis and reactivity of PC(sp3)P-pincer iridium complexes bearing a diborylmethyl anion

Supplementary files

Article information

Article type
Communication
Submitted
18 Feb 2022
Accepted
03 Mar 2022
First published
17 Mar 2022

Dalton Trans., 2022,51, 5009-5015

Synthesis and reactivity of PC(sp3)P-pincer iridium complexes bearing a diborylmethyl anion

M. Kishino, S. Takaoka, Y. Shibutani, S. Kusumoto and K. Nozaki, Dalton Trans., 2022, 51, 5009 DOI: 10.1039/D2DT00513A

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