Dipheaylphosphidoboratabenzene: An Anionic Analogue of Triphenylphosphine

摘要

Stimulated by its relationship to the ubiquitous triphenylphosphine ligand (1), we have prepared and begun to explore the coordination chemistry of the diphenylphosphidoboratabenzene anion (DPB; 2) DPB may be viewed as a negatively charged, essentially isosteric, variant of PPh_3; within this context, comparative studies of PPh_3 and DPB complexes, both for a given metal and for metals which are adjacent in the periodic table, could lead to useful new insights into reactivity. In this communication,we report the first stage of our investigation into the chemistry of DPB, specifically, synthetic and structural work which establishes the viability of DPB as a ligand for an array of transition metals.