About: Intramolecular H-bonding in 2,4-disubstituted 6-morpholinomethylphenols     Goto   Sponge   NotDistinct   Permalink

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  • Acidobazické vlastnosti 19 2,4-disubstituovaných 6-morfolinomethylfenolů byly studovány pomocí potenciometrické a spektrofotometrické titraci. Získané hodnoty pI byly korelovány s Hammettovými konstantami a nebyly pozorovány žádné odchylky pro 2-NO2 substituenty. (cs)
  • The acid-base properties of 19 2,4-disubstituted 6-morpholinomethylphenols were studied by means of potentiometric and/or spectrophotometric titration. The evaluated pI values were correlated with Hammett sigma-meta and sigma-para constants for 2-X and 4-Y substituents, respectively. A DSP equation fits adequately (r= 0.993) the wide range of pI values from 4.8 to 9.1 without any deviation due to an intramolecular H-bonding of ortho NO2 groups.
  • The acid-base properties of 19 2,4-disubstituted 6-morpholinomethylphenols were studied by means of potentiometric and/or spectrophotometric titration. The evaluated pI values were correlated with Hammett sigma-meta and sigma-para constants for 2-X and 4-Y substituents, respectively. A DSP equation fits adequately (r= 0.993) the wide range of pI values from 4.8 to 9.1 without any deviation due to an intramolecular H-bonding of ortho NO2 groups. (en)
Title
  • Intramolecular H-bonding in 2,4-disubstituted 6-morpholinomethylphenols
  • Intramolecular H-bonding in 2,4-disubstituted 6-morpholinomethylphenols (en)
  • Intramolekulární H-vazby ve 2,4-disubstituovaných 6-morfolinomethylfenolech (cs)
skos:prefLabel
  • Intramolecular H-bonding in 2,4-disubstituted 6-morpholinomethylphenols
  • Intramolecular H-bonding in 2,4-disubstituted 6-morpholinomethylphenols (en)
  • Intramolekulární H-vazby ve 2,4-disubstituovaných 6-morfolinomethylfenolech (cs)
skos:notation
  • RIV/00216305:26310/97:PU22648!RIV/2005/MSM/263105/N
http://linked.open.../vavai/riv/strany
  • 679-680
http://linked.open...avai/riv/aktivita
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  • P(IAA4031504), Z(MSM 263100020)
http://linked.open...iv/cisloPeriodika
  • 9
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  • 800951
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  • RIV/00216305:26310/97:PU22648
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  • intramolecular H-bonding, isoelectric focusation, 2,4-disubstituted 6-morpholinomethylphenols, Hammett constants (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
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  • [4DDAD3917C74]
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  • Chemické listy
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 71
http://linked.open...iv/tvurceVysledku
  • Friedl, Zdeněk
http://linked.open...n/vavai/riv/zamer
issn
  • 0009-2770
number of pages
http://localhost/t...ganizacniJednotka
  • 26310
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