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The Formation of Rhenium(V) Complexes with Dihydroxyphosphoranes and Diarylphosphinic Acid Derivatives Generated from Tris(1,2,3-triazolyl)phosphine Oxides.

Author(s) Li, B.; Hagenbach, A.; Abram, U.
Journal Inorg Chem
Date Published 2019 Jun 17
Abstract

Tris(1-phenyl-1 H-1,2,3-triazol-4-yl)phosphine oxide (OP(Tz)) and tris(1-benzyl-1 H-1,2,3-triazol-4-yl)phosphine oxide (OP(Tz)) react with (NBu)[ReOCl] under partial hydrolysis and formation of rhenium(V) complexes with unprecedented dihydroxyphosphoranato or diarylphosphinato ligands. Anionic, binuclear complexes of the compositions [Cl(O)Re{OP(Tz)}Re(O)Cl] and [Cl(O)Re{OP(Tz)}Re(O)Cl] are formed as the result of a first hydrolysis step of the phosphine oxides, which has been proven by an experiment with HO. Two more metal-containing products of these reactions, [ReOCl{OP(Tz)}] and [Cl(O)Re{OP(Tz)}Re(O)Cl], could also be isolated and studied by X-ray diffraction. Their structures confirm a metal-mediated P-C bond cleavage and the formation of arylphosphinic acids, which finally act as ligands in the products.

DOI 10.1021/acs.inorgchem.9b00635
ISSN 1520-510X
Citation Li B, Hagenbach A, Abram U. The Formation of Rhenium(V) Complexes with Dihydroxyphosphoranes and Diarylphosphinic Acid Derivatives Generated from Tris(1,2,3-triazolyl)phosphine Oxides. Inorg Chem. 2019;58(12):7925-7930.

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