Reactivity of transition-metal borylene complexes: recent advances in B-C and B-B bond formation via borylene ligand coupling

Inorganic Chemistry
Holger Braunschweig, Rong Shang

Abstract

Terminal borylene complexes of group 6-10 metals have been prepared through a number of synthetic strategies, displaying a wide structural diversity with numerous coordination modes of the borylene ligand [:BR]. Earlier, amino-substituted borylenes were found to serve as borylene ligand transfer reagents to a range of organic and organometallic substrates. In contrast, aryl- and alkyl-substituted borylenes display metathesis behavior when combined with ketones. Recent studies on these complexes revealed new reactivity patterns involving borylene-borylene and carbonyl-borylene ligand coupling. Herein a brief account on the recent progress of these borylene ligand coupling reactions made in our laboratories is provided. These reactions offer unprecedented alternative methods for electron-precise B-B and B-C bond formation.

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Citations

Jun 17, 2016·Journal of the American Chemical Society·Lingbing KongRei Kinjo
Sep 14, 2016·Angewandte Chemie·Holger BraunschweigRong Shang
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Aug 28, 2015·Organic & Biomolecular Chemistry·Charles Beromeo BheeterMatthias Beller
Oct 6, 2015·Chemical Communications : Chem Comm·Hao WangZuowei Xie
Nov 9, 2017·Angewandte Chemie·Anne-Frédérique PécharmanMary F Mahon
Jun 7, 2018·Angewandte Chemie·Anne-Frédérique PécharmanMary F Mahon
Oct 12, 2018·Chemistry : a European Journal·Sagar Ghorai, Eluvathingal D Jemmis
May 9, 2019·Chemistry : a European Journal·Carsten LenczykHolger Braunschweig

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