Spektroskopisches Verhalten von o-substituierten Arylvinylpyryliumperchloraten / Spectroscopic Behaviour of o-substituted Arylvinylpyrylium Perchlorates
Open Access
- 1 August 1969
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 24 (8) , 970-972
- https://doi.org/10.1515/znb-1969-0807
Abstract
The influence of the substituents on the characteristic infrared absorption frequencies and the wavelength of the absorption band in the visible region of o-substituted 2 [β-n-amyl-styryl] -1-benzopyrylium perchlorates and 3[β-n-amyl-1-naphthylvinyl]naphtho[2.1-b]pyrylium perchlorates has been investigated. The observed structural changes have been discussed as a function of the mesomeric effect of the substituents.Keywords
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