Fifteen ferrocene derivatives I-IX (four of which have been prepared for the first time: II, IIIf, V and VIII) have been prepared by Friedel-Crafts acetylation, Claisen condensation, Michael reaction, and ring closure by hydrazine hydrate. The anodic behaviour of these compounds has been studied by cyclic voltammetry at a platinum electrode in an aprotic solvent. All these substituted ferrocenes exhibit a reversible one-electron oxidation reduction centred at each iron centre, and the effect of substituents on the half-wave oxidation potential is discussed in terms of their electronic properties. Linear correlations have been observed between these potentials and the Hammett σ x constant for the substituents. Cyclic voltammetry has been carried out for ferrocene derivatives IIIa, V and IX.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.