First-Order Rate Constants, Standard Gibbs Energies, and Selected Activation Parameters

July 23, 2024

• Title:       

  First-Order Rate Constants, Standard Gibbs Energies, and Selected Activation Parameters

• Image Source:

  Study of reaction between activated acetylenes and N, N'-diethyl-2-thiobarbituric acid in the presence of isocyanides or triphenylphosphine

• Mark:

  Table 1

• Associated context:

  From the coalescence of the N-Me proton resonances and using the expression k = π△ν/ 2, the first-order rate constant (k) was calculated for the N-aryl bond rotation in 4d about 66.81 s−1 at 90°C 230 Marandi et al (see Table 1).