Issue 98, 2021

Chemically robust and readily available quinoline-based PNN iron complexes: application in C–H borylation of arenes

Abstract

Iron catalysts have been used for over a century to produce ammonia industrially. However, the use of iron catalysts generally remained quite limited until relatively recently, when the abundance and low toxicity of iron spurred the development of a variety of iron catalysts. Despite the fact that iron catalysts are being developed as alternatives to precious metal catalysts, their reactivities and stabilities are quite different because of their unique electronic structures. In this context, our group previously developed a new family of quinoline-based PNN pincer-type ligands for low- to mid-valent iron catalysts. These chemically robust PNN ligands provide air- and moisture-tolerant iron complexes, which exhibit excellent catalytic performances in the C–H borylation of arenes. This feature article summarises our recent work on PNN iron complexes, including their conception and design, as well as related reports on iron pincer complexes and iron-catalysed C–H borylation reactions.

Graphical abstract: Chemically robust and readily available quinoline-based PNN iron complexes: application in C–H borylation of arenes

Article information

Article type
Feature Article
Submitted
31 aug 2021
Accepted
05 nov 2021
First published
05 nov 2021

Chem. Commun., 2021,57, 13246-13258

Chemically robust and readily available quinoline-based PNN iron complexes: application in C–H borylation of arenes

M. Kamitani, Chem. Commun., 2021, 57, 13246 DOI: 10.1039/D1CC04877E

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