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- W1546063669 abstract "The title sulphenamides were pyrolysed in a stirred-flow reactor at temperatures of 310–410°C, pressures of 8–15 Torr and residence times of 0·4–2 s using toluene as the carrier gas. N-(tert-Butylthio)allylamine formed 73 ± 4% isobutene, 23 ± 3% propene and N-allylthiohydroxylamine. The first-order rate coefficients for the formation of isobutene and propene, respectively, followed the Arrhenius equations kC4(s−1) = 1012·52 ± 0·36 exp(−163 ± 5 kJ mol−1 RT) and kC3(s−1) = 1010·99 ± 0·29 exp(−151 ± 4 kJ mol−1 RT) N-(tert-Butylthio)diethylamine gave 97 ± 1% isobutene, 1·9 ± 0·4% isobutane and N,N-diethylthiohydroxylamine. The first-order rate coefficients for isobutene elimination followed the Arrhenius equation k(s−1) = 1013·45 ± 0·24 exp(−164 ± 3 kJ mol−1 RT). The formation of the products is interpreted in terms of an elimination reaction with a unimolecular, four-centered, cyclic transition state. The reactivity of these sulphenamides was found to be much higher than that of previously studied alkyl or aryl tert-butyl sulphides and disulphides." @default.
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- W1546063669 date "1994-11-01" @default.
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- W1546063669 title "Gas phase thermolysis ofN-(tert-butylthio)allylamine andN-(tert-butylthio)diethylamine" @default.
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- W1546063669 doi "https://doi.org/10.1002/poc.610071102" @default.
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