Études Spectroscopiques des Molécules Hydroxylées IV Méthode de détermination de sigma de taft par spectrométrie infrarouge
✍ Scribed by G. Chiurdoglu; W. Masschelein; Y. van Haverbeke
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 2010
- Weight
- 220 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0037-9646
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## Abstract The hydrogen bonded complexes formed between tetrabutylammonium bromide and phenol derivatives are studied by infrared spectrometry in CCl~4~. The logarithm of the stability constants of complexes of 1:1 and 2:1 stoechiometry, and the frequency shifts of the stretching vibration IV~OH~
Complexation constants of hydrogen bonded complexes between substituted phenols and substituted pyridines were determined by infrared spectroscopic measurements in carbon tetrachloride at 25OC. It was previously shown that for monosubstitutedJcomplexes the complexation constant Kab obied the relatio