About: Mechanism of Acid Catalysed Decomposition of 3-Alkyl-1,3-diphenyltriazenes by Trichloroacetic Acid in Hexane     Goto   Sponge   NotDistinct   Permalink

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Description
  • Mechanismus kysele katalyzovaného rozkladu 3-alkyl-1,3-difenyltriazenů trichloroctovou kyselinou v hexanu (cs)
  • Eight 3-alkyl-1,3-diaryltriazenes with substituents methyl, ethyl, propyl, butyl, pentyl, isopropyl, sec-butyl and cyclohexyl have been synthesised and their rate constants of decomposition by trichloroacetic acid (0.01 ? 0.25 mol dm?3) in hexane medium at 25 oC measured. The kinetic model and mechanism thereof was suggested with the use modelling of the dependences of kobs on the concentration of trichloracetic acid. On the basis of this kinetic model and the interpretation of solvent effects, the reaction mechanism has been suggested according to which the triazene reacts with monomer and obviously also opens the dimer of trichloroacetic acid in a single reaction step. At the same time, a non-reactive associate between N1 nitrogen of triazene and two molecules of trichloroacetic acid is formed in the reaction mixture. The equilibrium and rate constants depend on the addition of trichloroacetic acid as the co-solvent.
  • Eight 3-alkyl-1,3-diaryltriazenes with substituents methyl, ethyl, propyl, butyl, pentyl, isopropyl, sec-butyl and cyclohexyl have been synthesised and their rate constants of decomposition by trichloroacetic acid (0.01 ? 0.25 mol dm?3) in hexane medium at 25 oC measured. The kinetic model and mechanism thereof was suggested with the use modelling of the dependences of kobs on the concentration of trichloracetic acid. On the basis of this kinetic model and the interpretation of solvent effects, the reaction mechanism has been suggested according to which the triazene reacts with monomer and obviously also opens the dimer of trichloroacetic acid in a single reaction step. At the same time, a non-reactive associate between N1 nitrogen of triazene and two molecules of trichloroacetic acid is formed in the reaction mixture. The equilibrium and rate constants depend on the addition of trichloroacetic acid as the co-solvent. (en)
Title
  • Mechanismus kysele katalyzovaného rozkladu 3-alkyl-1,3-difenyltriazenů trichloroctovou kyselinou v hexanu (cs)
  • Mechanism of Acid Catalysed Decomposition of 3-Alkyl-1,3-diphenyltriazenes by Trichloroacetic Acid in Hexane
  • Mechanism of Acid Catalysed Decomposition of 3-Alkyl-1,3-diphenyltriazenes by Trichloroacetic Acid in Hexane (en)
skos:prefLabel
  • Mechanismus kysele katalyzovaného rozkladu 3-alkyl-1,3-difenyltriazenů trichloroctovou kyselinou v hexanu (cs)
  • Mechanism of Acid Catalysed Decomposition of 3-Alkyl-1,3-diphenyltriazenes by Trichloroacetic Acid in Hexane
  • Mechanism of Acid Catalysed Decomposition of 3-Alkyl-1,3-diphenyltriazenes by Trichloroacetic Acid in Hexane (en)
skos:notation
  • RIV/00216275:25310/04:00001559!RIV08-MSM-25310___
http://linked.open.../vavai/riv/strany
  • 343-349
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 253100001)
http://linked.open...iv/cisloPeriodika
  • N
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 572736
http://linked.open...ai/riv/idVysledku
  • RIV/00216275:25310/04:00001559
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • triazenes; acid catalysis; kinetic model; mechanism (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [B09D850B6767]
http://linked.open...i/riv/nazevZdroje
  • Journal pf Physical Organic Chemistry
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 17
http://linked.open...iv/tvurceVysledku
  • Pytela, Oldřich
  • Kaválek, Jaromír
  • Bednář, Roman
http://linked.open...n/vavai/riv/zamer
number of pages
http://localhost/t...ganizacniJednotka
  • 25310
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