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Pure Appl. Chem., 2013, Vol. 85, No. 4, pp. 777-784

http://dx.doi.org/10.1351/PAC-CON-12-06-14

Published online 2012-10-24

Synthesis and electrochemical properties of ferrocene dimers and trimers bridged by an oligothiophene spacer

Hiroki Muraoka and Satoshi Ogawa

Department of Chemistry and Bioengineering, Faculty of Engineering, Iwate University, Morioka 020-8551, Japan

Abstract: We describe the design and synthesis of ferrocene dimers and trimers bridged by an oligothiophene spacer as both cathodic and anodic multiple redox-active organic–organometallic hybrid molecules. The electrochemical properties of all compounds were examined by cyclic voltammetry (CV). The voltammograms showed different multi-step, multi-electron redox reactions derived from multi-ferrocene fragments and the organic spacer. The results indicate that a number of thiophene rings in the spacer can be attuned to the redox potentials and the electron-transfer processes.