Fig. 6From: Structural effects on kinetics and a mechanistic investigation of the reaction between DMAD and N–H heterocyclic compound in the presence of triphenylarsine: spectrophotometry approach a Dependence of second order rate constant (lnk ovr against 1/T) on reciprocal temperature for the reaction between reactants (1), (2) and (N–H) in methanol measured at wavelength of 305 nm in accordance with the Arrhenius equation for obtaining \(\frac{{E_{a} }}{R}\) from the slope. b A linearized form of Arrhenius equation (T lnk against T) in order to obtain ln A from the slopeBack to article page