Abstvact The thermal decompositions of isopropyl N,N-dimethylcarbamate and t-butyl N,N-dimethylcarbamate are shown to occur over the temperature range 485-602 K through the reactions Me2NC02Pr' + Me2NHf C 0 2 + MeCH=CH2 Me2NC02Bu1 + Me2NH+C02+ Me2C=CH, which