Equilibria in complexes ofN-heterocyclic molecules,Part XXIV. The reaction of nucleophiles with tris-(2,2′-bipyrimidine)iron(II) ion and its ruthenium(II) analogue |
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| Authors: | Robert D Gillard Robert J Lancashire Peter A Williams |
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| Institution: | (1) Department of Inorganic Chemistry, University College, P.O. Box 78, CF1 1XL Cardiff, Wales, UK |
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| Abstract: | Summary The reactions of Fe(bipym)3]2+ and Ru(bipym)3]2+ with hydroxide ion in aqueous solution have been followed. The Ru(bipym)3]2+ species undergoes nucleophilic attack at the ligand to yield Ru(bipym)2(pyrimidine)(OH)]+ and HCO2]– ion, involving cleavage of one pyrimidyl ring. Intermediates can be observed in the reaction of Fe(bipym)3]2+ with HO–, N3
– and SCN–. The kinetics of the first reaction have been followed and the results are compared with those known for the reactions of Fe(bipy)3]2+, Fe(phen)3]2+ and similar compounds.Part XXIII: P. A. Williams,Transition Met. Chem., 78/84. |
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