Abstract
The kinetics and the products of thermal decomposition of 2,4,6-triazidopyrimidine in the melt were investigated by thermogravimetry, manometry, mass-spectrometry, and IR spectroscopy. The kinetic and activation parameters of the processes were found. Nitrogen was the only gaseous product of the reaction. The structure of the solid reaction product was determined. A mechanism of thermal decomposition of 2,4,6-triazidopyrimidine, including elimination of a nitrogen molecule to give nitrene in the initial step, was proposed. The unusually high pre-exponential factor in the Arrhenius equation (1016.7±0.7 s–1) was attributed to a significant contribution of polymerization (polycondensation) to the overall process, resulting in the formation of carbon—nitrogen two-dimensional networks.
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Nedel’ko, V.V., Korsunskii, B.L., Larikova, T.S. et al. Thermal decomposition of 2,4,6-triazidopyrimidine in the melt. Russ Chem Bull 65, 2068–2071 (2016). https://doi.org/10.1007/s11172-016-1554-1
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DOI: https://doi.org/10.1007/s11172-016-1554-1