Journal of Organometallic Chemistry

Bridged ferrocenes. XV. Conformational properties of [1.1]ferrocenophane and some of its bridge- and ring-substituted derivatives

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Friedel-Crafts acetylation of [1.1]ferrocenophane has afforded the α- and β-acetyl derivatives, which have been separated and converted into the corresponding ethyl derivatives. The effects of ring and bridge substituents upon the conformational mobility of [1.1]ferrocenophane are discussed in the light of the NMR spectra. © 1983.