J. Correia, A. Domingos, I. Santos
2001
Citations
0
Influential Citations
27
Citations
Journal
Journal of The Chemical Society-dalton Transactions
Abstract
New oxorhenium complexes with 2-(diphenylphosphanyl)-N-(2-thioethyl)benzamide (H2PNS) and 2-(diphenylphosphanyl)-N-(2-hydroxyethyl)benzamide (H2PNO) and various monodentate thiols as co-ligands are reported. These new complexes, 1–6, have been prepared by reacting [nBu4][Re(O)Cl4] or [Re(O)Cl3(PPh3)2] with the tridentate H2PNX (X = O, S) ligands and different monothiols. The characterization of the complexes involved IR, 1H and 31P NMR spectroscopy and X-ray crystallographic analysis in the case of 1 and 2. Complexes [Re(O)(κ3-PNO)(SPh)] (1), and [Re(O)(κ3-PNS)(SPh)] (2), adopt a distorted square pyramidal geometry (δ = 3.0°, 1 and δ = 1.3° for 2), with the oxo group in the axial position and the equatorial plane being defined by the phosphorus, nitrogen and oxygen (1) or sulfur (2) atoms of the tridentate chelate and by the sulfur atom of the monothiol.