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Applications de la spectrographie de resonance magnetique nucleaire (RMN) dans le domaine des derives polycycliques A caractere aromatique-XI. Spectres de 19 derives monosubstitues du benzo[C]phenanthrene

par Martin, Ricardo;Defay, Nicole ;Evrard, France
Référence Tetrahedron, 21, 9, page (2421-2434)
Publication Publié, 1965

Article révisé par les pairs

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Résumé :

From the study of a large number of monosubstituted benzo[c]phenanthrene derivatives, the following conclusions can be drawn:. 1. When R OCH3, NHCOCH3 or NH2, the position of substitution can be specified by first order analysis of the NMR spectra. In the case of NH2, such analyses are nevertheless insufficient to make a choice between position 5 and 6. 2. The distorsion of the benzo[c]phenanthrene ring system has practically no effect on the perturbations induced by a substituent located in a non-hindered position. © 1965.