Intrinsic deuterium isotope effects of deuteriated tert??butyl groups on the 13C NMR spectra of aromatic compounds

HH Balzer, S Berger

Index: Balzer, Hartmut H.; Berger, Stefan Magnetic Resonance in Chemistry, 1990 , vol. 28, # 5 p. 437 - 442

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Citation Number: 8

Abstract

Abstract The 3 Δ-deuterium isotope effects of partially and fully deuteriated tert-butyl groups on the 13 C NMR spectra of tert-butylbenzene and derivatives are discussed in detail. It is shown that they correlate with the chemical shift of C-1 of the aromatic ring. It has been demonstrated that when deuterium is replaced with some other substituents, the SCS values of these substituents show a parallel behaviour to the deuterium isotope effects. It is ...