Abstract
13C-Nuclear magnetic resonance spectra of a series of di-isophorone derivatives have been mapped and the individual resonances assigned. Assignments were obtained by comparing and correlating the spectra of closely related di-isophorones of known structure. Estimates, based on approximate calculations, of the chemical shifts of the six methylene moieties of the di-isophorone skeleton are in fair agreement with the observed values.
Zusammenfassung
Die13C-Kernresonanzspektren einer Reihe von Di-isophoron-Derivaten wurden gemessen und die Signale den einzelnen Kohlenstoffatomen zugeteilt. Die Zuordnung erfolgte auf Grund des Vergleichs von Spektren verwandter Di-isophorone bekannter Struktur. Für die Resonanzen der Ringmethylen-Gruppen wurde eine befriedigende Übereinstimmung der gefundenen Werte mit errechneten Schätzungswerten festgestellt.
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Davies, P.R., Morgan, A.R. & Kurzer, F. Di-isophorone and related compounds. Part 1013C-nuclear magnetic resonance spectra of di-isophorone derivatives. Monatsh Chem 114, 739–751 (1983). https://doi.org/10.1007/BF01134186
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DOI: https://doi.org/10.1007/BF01134186