Abstract
AbstractIn 1,1′‐bis(substituted‐phenyl)ferrocenes the protons of the second cyclopentadienyl (Cp) group are influenced by the ring current effect of the Ph group bonded to the first Cp group. The conformations of these derivatives are discussed with respect to the anisotropy of the Ph groups. The chemical shifts of 1,1′‐bis(o‐hydroxphenyl)ferrocene were unrepresentative in comparison with the other ortho derivatives. Both an OHO and an OH d type hydrogen bond are formed in this derivative, so that the two Ph groups are adjacent in the preferred conformation.
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