Issue 51, 2024

Selective monoborylation of methane by metal–organic framework confined mononuclear pyridylimine-iridium(i) hydride

Abstract

Chemoselective monoborylation of methane in high yield is a grand challenge. We have developed a metal–organic framework confined pyridylimine-iridium hydride catalyst, which is efficient in methane C–H borylation using bis(pinacolato)diboron to afford methyl boronic acid pinacol ester in 98% GC-yield at 130 °C with a TON of 196. Mechanistic investigation suggests the oxidative addition of methane to IrIII(Bpin)2(H) species to form IrV(Bpin)2(CH3)(H)2 as the turnover limiting step.

Graphical abstract: Selective monoborylation of methane by metal–organic framework confined mononuclear pyridylimine-iridium(i) hydride

Supplementary files

Article information

Article type
Communication
Submitted
05 apr 2024
Accepted
29 may 2024
First published
29 may 2024

Chem. Commun., 2024,60, 6504-6507

Selective monoborylation of methane by metal–organic framework confined mononuclear pyridylimine-iridium(I) hydride

R. Kalita, M. Chauhan, P. Gupta, W. Begum, C. Thadhani, B. Ghosh, Balendra, H. Bisht and K. Manna, Chem. Commun., 2024, 60, 6504 DOI: 10.1039/D4CC01568A

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