Synthesis and Characterization of 1,2-Azaborine-Containing Phosphine Ligands: A Comparative Electronic Structure Analysis

C.R. Mcconnell , P.G. Campbell , C.R. Fristoe , P. Memmel , L.N. Zakharov , B. Li (1) , Clovis Darrigan (2) , Anna Chrostowska (2) , S.-Y. Liu (3)

1 USM - University of Southern Mississippi
2 IPREM - Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux
3 Department of Chemistry and Biochemistry [Bern]

The synthesis and characterization of two 1,2-azaborine-containing phosphine ligands are described. The structural and electronic parameters of the two ligands were compared with those of their direct all-carbon analogues using X-ray crystallography and UV-photoelectron and IR spectroscopy. Our results indicate that the azaborine-containing ligands are significantly stronger electron donors than their corresponding carbonaceous counterparts, while the steric parameters remain similar.

Mots clés: Azaborines; BN/CC isosterism; Electronic structure; Phosphanes; structure elucidation

Domaines: Chimie

C.R. Mcconnell, P.G. Campbell, C.R. Fristoe, P. Memmel, L.N. Zakharov, et al.. Synthesis and Characterization of 1,2-Azaborine-Containing Phosphine Ligands: A Comparative Electronic Structure Analysis. European Journal of Inorganic Chemistry, 2017, 2017 (15), pp.2207-2210. ⟨10.1002/ejic.201700242⟩. ⟨hal-01535434⟩