TY - BOOK AU - Abanoub Mosaad Abdallah AU - Maher Mohamed Hamed , AU - Marwa Elbadry Mohamed , AU - Mohamed Mahmoud Abdou , TI - Spectrophotometric determination of the psychiatric drug melatonin in the pure form and in different pharmaceutical preparations / PY - 2016/// CY - Cairo : PB - Abanoub Mosaad Abdallah , KW - Charge transfer KW - DDQ KW - Melatonin N1 - Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Analytical Chemistry; Issued also as CD N2 - This work has been carried out to investigate the: Spectrophotometric determination of the psychoactive drug melatonin in its pure form and different pharmaceutical preparation via charge transfer reaction formation with the s- acceptor 2,3-dichloro-5,6-dicyano-p-benzoquinone (DDQ) and also via oxidation-reduction reaction with Fe(III) solution by using potassium ferricyanide (K [FeIII(CN) ]) reagent. 3 6 2- Elucidation of the chemical structure of the formed charge transfer complex via elemental analysis, IR, 1H NMR and mass spectra . Studying the thermal properties of the formed complex and calculation of its kinetic thermodynamic parameters and studying some of its bioactivity. Carrying out of Density Functional Theory (DFT) and Time- Dependent Density Functional Theory (TD-DFT) calculations for the formed complex UR - http://172.23.153.220/th.pdf ER -