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Studies on ferrocene derivatives. VIII—1H nuclear magnetic resonance studies of 1,1′-bis(o-hydroxyphenyl)ferrocene

✍ Scribed by Yutaka Okada; Takatoshi Hayashi

Publisher
John Wiley and Sons
Year
1992
Tongue
English
Weight
530 KB
Volume
30
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

In 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 OHO 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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