NMR studies of bond order in distorted aromatic systems

JE Gready, TW Hambley, K Kakiuchi…

Index: Gready, Jill E.; Hambley, Trevor W.; Kakiuchi, Kiyomi; Kobiro, Kazuya; Sternhell, Sever; Tansey, Charles W.; Tobe, Yoshito Journal of the American Chemical Society, 1990 , vol. 112, # 21 p. 7537 - 7540

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Citation Number: 18

Abstract

Abstract: The 4JH4w-Mc coupling constant has been previously as a probe of bond order. This has now been used to examine the bond orders of compounds containing severely distorted benzene nuclei. In the case of 3, 4-di-ferr-butyltoluene, no electronic distortions in the aromatic ring can be detected by this method. A series of moderately to severely distorted paracyclophanes show no perturbation of electronic structure, with the possible ...