Configurational equilibria and 13C NMR spectra of tetracyclic saturated hydrocarbons |
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| Authors: | M. Farina G. Di Silvestro E. Mantica D. Botta G.L. Triveri |
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| Affiliation: | Istituto di Chimica Industriale, Università di Milano, via Saldini 50,20133 Milano, Italy;Istituto di Chimica Industriale, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy |
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| Abstract: | The stereoisomeric equilibrium composition over Pd/C at high temperature of a series of tetracyclic saturated hydrocarbons having general formula C18H30 was determined by gas chromatography and compared with that calculated on the basis of conformational analysis. Several stereoisomers were isolated. Their 13C NMR spectra agree very well with those calculated according to standard procedures. This method of structural determination was applied to perhydronaphthacene, perhydrobenzo(a)anthracene, 2- and 5-methylper-hydrobenzo (d,e)anthracene and 2,7-dimethylperhydropyrene. |
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