TY - BOOK AU - Rowayda Mohamed Fouad AU - Afaf Osman Mohamed Osman , AU - Azza Aziz Mohamed Mostafa , AU - Nesrin Khamis Ramadan Selim , TI - Analytical study of some drugs used in treatment of CNS disorders / PY - 2012/// CY - Cairo : PB - Rowayda Mohamed Fouad , KW - CNS drugs KW - Quetiapine fumarate KW - Tofisopam N1 - Thesis (M.Sc.) - Cairo University - Faculty of Pharmacy - Department of Analytical Chemistry; Issued also as CD N2 - This thesis is concerned with the analysis of some drugs used in CNS disorders namely tofisopam and quetiapine fumarate . The thesis consists of three parts and general conclusion: Part one: General introduction. This part Comprises introduction about CNS disorders , its causes , therapy , mechanism of action and classification . Part two: Methods for the determination of tofisopam. This part is divided into nine Section Section (A): Literature review . Section (B): Forced degradation studies of tofisopam . Section (C): Stability - indicating first and second derivative spectrophotometric methods for the determination of tofisopam ER -