@article {3751, title = {Rhenium complexes of P,P,P{\textquoteright},P{\textquoteright}-tetrakis(o-hydroxyphenyl)diphosphinoethane}, journal = {Canadian Journal of Chemistry-Revue Canadienne De Chimie}, volume = {74}, number = {5}, year = {1996}, note = {ISI Document Delivery No.: UP791Times Cited: 6Cited Reference Count: 25}, month = {May}, pages = {722-729}, type = {Article}, abstract = {Preparation of the hydrochloride salt of a new potentially hexadentate ligand precursor P,P,P{\textquoteright},P{\textquoteright}-tetrakis(o-hydroxyphenyl)diphosphinoethane dihydrochloride (abbreviated H4P2O4 . 2HCl) is described. From H4P2O4 . 2HCl, neutral [Re2O2Cl2(PPh(3))(2)(mu-P2O4)] and dianionic [Re2O2Br4(mu-P2O4)](2-) dinuclear rhenium(V) complexes were synthesized. The complexes have been characterized by elemental analysis, infrared spectroscopy, mass spectrometry, and (HP)-H-1-P-31{H-1} NMR spectra. P-31{H-1} NMR revealed that only one isomer, presumably the anti, was present for [Re2O2Cl2(PPh(3))(2)(mu-P2O4)], and that two isomers, both anti and syn isomers, were observed for [Re2O2Br4(mu-P2O4)](2-). The coligands (PPh, for the former, Br- for the latter) of both complexes underwent ligand exchange with pyridine.}, keywords = {CHEMISTRY, COORDINATION, CRYSTAL, DIMER, ISOMERS, NITRIDO COMPLEXES, P, P{\textquoteright}, P{\textquoteright}-tetrakis(o-hydroxyphenyl)diphosphinoethane, rhenium, technetium}, isbn = {0008-4042}, url = {://A1996UP79100012}, author = {Luo, H. Y. and Orvig, Chris} }