Collection of Czechoslovak Chemical Communications - digital archive 

Abstract

One-bond coupling constants of amino nitrogen in 2-, 3- and 4-nitroanilines have been calculated on the basis of ¹H and ¹³C relaxation times in rotating frame (T_1ρ) which are affected by interaction with rapidly relaxing ¹⁴N nucleus. A method has been suggested and tested for calculation of ¹⁴N-¹³C couplings with elimination of effects of other relaxation mechanisms. Dependence of ¹J(¹⁴N¹³C) on position of nitro group in the aromatic nucleus has been observed.