Diphosphines play a central role as supporting ligands in transition metal chemistry. As a theme in this area, our team has become interested in preparing diphosphines having Lewis-acidic secondary coordination spheres (SCSs) for applications in sustainable transition metal reactivity. Recently, we reported the synthesis and use of a tetra-vinyl-diphosphine ligand, 1,2-bis(divinylphosphino)ethane (dvpe). We investigated its ability to act as a precursor to bis(1-bora-4-phosphorinane) heterocycles via sequential hydroboration of [Cp*Fe(dvpe)] using mesitylborane. Heterocycles of this form, containing donor and acceptor functionality in the same contiguous ring system, are evasive sought-after structural motifs and have previously found application as frustrated Lewis pairs.

Bis(1-bora-4-phosphorinane) ring closure at Cp*M (M = Fe, Co) complexes

Fall 2022 abstracts, posters, and presentations will launch in mid-September.

ACS Fall 2022

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.