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Abstract
New biferrocenylpropane derivatives FcC(CH3)2Fc′-C≡C–R [Fc = C5H5FeC5H4; Fc′ = C5H5FeC5H3, R = C6H5 (L 1 ), Fc (L 2 )] and their complexes [FcC(CH3)2Fc′-C≡C–R][Co2(CO)6] [R = C6H5 (1); R = Fc (2)] have been synthesized by the Castro-Stephens coupling reaction and the reactions of ligands L 1 , L 2 with Co2(CO)8. Compounds L 1 , L 2 , 1 and 2 were characterized by elemental analysis, IR, 1H (13C) NMR and MS, and the molecular structures of ligands L 1 , L 2 were determined by X-ray single crystal analysis. The electrochemical properties of L 1 , L 2 , 1 and 2 demonstrate two or three resolved one-electron redox processes.
Acknowledgements
We are grateful to the Specialized Research Fund for the Doctoral Program of Higher Education of China (20060128001) and the Natural Science Foundation of the Inner Mongolia for financial support of this work.