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  • Kinetics of dehalogenation of the bromobenzenes 4-RCH6H4Br (R=F, Cl, H, CH3, CH3O and N(CH3)2 with the tittle hybride (SDMA) and with SDMA in the presence of Co(acac)2 have been examined. The rate constants of the debromination were correlated with Hammett substituent constants and E1/2 reduction potentials of the bromobenzenes. p values (+4.3 for SDMA reduction and + 1.9 for the Co-catalyzed debromination) imply a negative charge concentration effect in transition states of both debrominations. Differences in the course of these reactions are discussed.
  • Kinetics of dehalogenation of the bromobenzenes 4-RCH6H4Br (R=F, Cl, H, CH3, CH3O and N(CH3)2 with the tittle hybride (SDMA) and with SDMA in the presence of Co(acac)2 have been examined. The rate constants of the debromination were correlated with Hammett substituent constants and E1/2 reduction potentials of the bromobenzenes. p values (+4.3 for SDMA reduction and + 1.9 for the Co-catalyzed debromination) imply a negative charge concentration effect in transition states of both debrominations. Differences in the course of these reactions are discussed. (en)
Title
  • Substituent Effects Dehalogenation of Aryl Bromides with NaAlH2(OCH2CH2OCH3)2.
  • Substituent Effects Dehalogenation of Aryl Bromides with NaAlH2(OCH2CH2OCH3)2. (en)
skos:prefLabel
  • Substituent Effects Dehalogenation of Aryl Bromides with NaAlH2(OCH2CH2OCH3)2.
  • Substituent Effects Dehalogenation of Aryl Bromides with NaAlH2(OCH2CH2OCH3)2. (en)
skos:notation
  • RIV/67985858:_____/01:27013066!RIV/2003/AV0/A27003/N
http://linked.open.../vavai/riv/strany
  • 277;287
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA203/97/1173), Z(AV0Z4072921)
http://linked.open...iv/cisloPeriodika
  • 2
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 697824
http://linked.open...ai/riv/idVysledku
  • RIV/67985858:_____/01:27013066
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  • substituent effects; aryl bromides; Co-assisted debromination (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • HU - Maďarsko
http://linked.open...ontrolniKodProRIV
  • [14F62EAF7A30]
http://linked.open...i/riv/nazevZdroje
  • Reaction Kinetics and Catalysis Letters
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...ocetUcastnikuAkce
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http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 72
http://linked.open...iv/tvurceVysledku
  • Včelák, Jaroslav
  • Hetflejš, Jiří
  • Czakoová, Marie
http://linked.open...n/vavai/riv/zamer
issn
  • 0133-1736
number of pages
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