From Boron to Bismuth: The Pre-transmetalation Complex in the Aryl Transfer
Abstract
High Resolution Image Download MS PowerPoint Slide B-to-Bi transmetalation is increasingly encountered as a key organometallic step in Bi-based protocols. Yet, akin to transition metal complexes, obtaining structural evidence of pre-transmetalation intermediates that lead to the aryl transfer from B to a metal is challenging and rare. Herein, we provide structural characterization of two unprecedented pre-transmetalation complexes linking B and Bi through a F– or an OH– bridge. Inspired by earlier studies on d-block elements, we establish two general pathways by which transmetalation can occur: the neutral and the ionic pathway . These studies delineate the requirements for successful transmetalation of a wide range of unprecedented arylboron species.
Fields of Study & Subjects
Organoboron and organosilicon chemistry
Synthesis and characterization of novel inorganic/organometallic compounds
Catalytic Cross-Coupling Reactions
Publication details
- Journal / source
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Volume
- 148
- Issue
- 9
- Pages
- 9205–9212
- Publication date
- 2 March 2026
- Language
- EN