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Review Molecules, 2005, 10(3) Adel Mohamed Awadallah (A. R. S. Ferwanah)

Utilization of Nitrilimines and Nitrile oxides in the synthesis of Triazoles and Oxadiazoles. Review Molecules, 2005, 10(3) Adel Mohamed Awadallah (A. R. S. Ferwanah) Chemistry Department, Faculty of Science, Islamic University of Gaza, P. O. Box-108 Gaza, Palestine

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545 views • 40 slides

Determination of protonation constants of some 3-alkyl(aryl)-4-(ptert-butyl(benzyl/benzyliden)amino)-4,5-dihydro-1H-1,2,

The protonation constant values of different twelve 3-alkyl(aryl)-4-(p-t-butyl(benzyl/ benzyliden)amino)-4,5-dihydro-1H-1,2,4-triazole-5-one derivatives have been determined in ethanol P – water P mixtures by spectrophotometric methods. The electronic absorption spectra of different twelve triazole derivatives at various pH values at 190-400 nm intervals were recorded. The calibration of the electrode system was done potentiometrically by Gran’s method. Data were calculated using the linearization method with Henderson-Hasselbach equation. The obtained results are in good accordance with potentiometric values.

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108 views • 9 slides

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5 dihydro - PowerPoint PPT Presentation

Review Molecules, 2005, 10(3) Adel Mohamed Awadallah (A. R. S. Ferwanah)

Determination of protonation constants of some 3-alkyl(aryl)-4-(ptert-butyl(benzyl/benzyliden)amino)-4,5-dihydro-1H-1,2,