First examples of neutral rhenium(V) complexes with a novel semi-rigid ligand containing a P,N,N,S donor atom set: Synthesis,characterisation and crystal structure |
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| Authors: | Laure Latapie Julien Le Gal Bassem Hamaoui Joël Jaud Marie Gressier Eric Benoist |
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| Institution: | 1. Laboratoire de Chimie Inorganique, EA 807, Université Paul Sabatier, Bat. IIR1, 118, route de Narbonne, 31062 Toulouse, France;2. CEMES-CNRS, 29, rue Jeanne Marvig, BP 4347, 31055 Toulouse, France |
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| Abstract: | A new PN2S ligand, N-2-(diphenylphosphino)phenyl]-2-(S-trityl)acetylamino]ethanamide Ph-P(Ph2)N2S(Trt)], was synthesised and reacted with ReV precursors. The reaction of both tritylated and detritylated ligands with ReOCl3(PPh3)2 gave the same expected neutral complex ReO{Ph-P(Ph2)N2S}] (4) in good yield. An unexpected neutral and diamagnetic species, ReN{Ph-P(Ph2)N2S(Trt)}] (5), has been isolated during the complexation of the tritylated ligand with ReNCl2(PPh3)2. The complexes, characterized by classical spectroscopic methods and X-ray analysis for 4, are the first examples of neutral semi-rigid-PN2S rhenium(V) complexes. |
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| Keywords: | Tetradentate PN2S ligand Rhenium complexes Crystal structure Phosphine |
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