Proton chemical shifts in NMR . Part 15 † — proton chemical shifts in nitriles and the electric field and p-electron effects of the cyano group ‡

Abstract

The proton resonance spectra of a number of nitriles of fixed geometry were recorded in dilute CDCl3 solution and assigned. These were transand cis-4-tert-butylcylohexanecarbonitrile, axial and equatorial cyclohexanecarbonitrile and ax–axand eq–eq-trans-1,4-dicyanocyclohexane, the latter compounds at 60 °C. The aromatic nitriles measured were benzonitrile… (More)

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