Ru and Os complexes containing a P,N-Donor Heterotopic Ligand: The effect of solvent on Stereochemistry
Ruthenium and osmium complexes of the general formula MCl 2(PyP)2 (where PyP is the P,N- donor ligand 1-(2-diphenylphosphinoethyl)pyrazole) were synthesized from MCl 2(PPh3)3 (where M = Ru or Os). Three of the five possible stereoisomers of RuCl2(PyP)2 were synthesized and characterized in solution by multinuclear NMR spectroscopy, and the structure of these in the solid state was determined by X-ray crystallography. Two of the analogous Os isomers were also synthesized. It was found that...[Show more]
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