The ternary NiO-CoO-MgO catalyst in three ratios 20:20:60, 25:25:50, and 30:30:40 for these component oxides respectively, were synthesized by co-precipitation method of their carbonates by addition of a precipitate agent in basic media, and then calcinated these carbonate to obtain of mixed oxides. The prepared catalysts were characterized by using Powder X-Ray Diffraction (PXRD), Fourier Infrared spectroscopy (FT-IR), and Atomic Force Microscopy techniques (AFM) were used for identification of the prepared catalysts. The result showed that the particle size of these catalyst ratios, were in the nano range and the smallest size was 25:25:50. The investigation of catalytic activity of prepared catalysts was done by photo decolorization of Celestine blue B dye from simulated industrial wastewaters in aqueous solution. The decolorization efficiency of dye reached 99.9% after irradiation time for 1 h. Study the effect of different reaction conditions such as the pH of the medium, the weight of semiconductor and temperature of mixture reaction were shown that the maximum degradation was observed in conditions at pH = 4, catalyst dosage = 0.08 g, and temperature = 303 K.

In this work, three novel Schiff's bases subsidiaries were set up from Ethylene Diamine Tetra Acetic corrosive Derivatives(K1, K2 and K3); (K1) which was blend from response of EDTA with 4-hydroxybenzaldehyde and 2,4-dintrophenyl hydrazine. (K2) which was union from response of EDTA with vinilline and 2,4-dintrophenyl hydrazine. (K3) which was amalgamation from response of EDTA with 4-aminoacetophenone and 2,4-dintrophenyl hydrazine after that combination three novel hetrocyclic compound Containing Sulfur molecule; Derivative with compounds containing carbonyl group (aldehyde or ketone) the carbonyl group of aldehyde or ketone react with primary amine to produce mine compounds (Schiff bases), Reaction of produced Schiff base compounds with mercaptoacetic acid (thioglycolic acid) to synthesized new heterocyclic compounds Compounds with heterogeneous ring are characterized by having many biological activities Which attracts the attention of researchers, and accordingly various derivatives containing sulfur were prepared for heterocyclic compounds, these prepared compounds can have inhibitory activity for some bacteria, fungi, and viruses. (M1,M2 and M3)which were union from response of (K1,K2 and K3) individually with marcaptoacetic acid. All of the Schiff’s bases derivatives and hetrocyclic compound Containing Sulphur atom were characterized and identified by spectroscopic methods ( FT-IR and 1H-NMR) spectroscopies.

In this work, a new heterocyclic compounds derived from Calix[4]arene Derivative had been synthesized. The characterization of the produced compounds was performed using melting point, FT-IR spectroscopy and some of them with 1H-NMR spectroscopy. The spectral data confirm the formation of these compounds. This research includes the following two parts:- Part 1: Synthesis of Calix[4]arane Derivative from reaction Calix[4]arane with 4- Aminobutyric acid to produce ester compound this part4-Aminobutyric acid reaction with freshly distilled thinly chloride , the produce final was purified via distillation below pressure reduced. The product was purified by repeated recrystallization. In this step Converted the substituted carboxylic acid to substituted acid chloride included to obtained good leaving group the compound product containing primary amine and the reaction of Calix[4]arane Derivative with compounds containing carbonyl group(aldehyde or ketone) the carbonyl group of aldehyde or ketone react with primary amine to produce imine compounds(Schiff bases. Part 2: Reaction of produced Schiff base compounds with mercaptoacetic acid (thioglycolic acid) or maleic anhydride to synthesized new heterocyclic compounds Compounds with heterogeneous ring are characterized by having many biological activitiesWhich attracts the attention of researchers, and accordingly various derivatives containing sulfur or oxygen were prepared for heterocyclic compounds, these prepared compounds can have inhibitory activity for some bacteria, fungi, and viruses.

In this research preparation of poly (maleamic acide) which substituted with imidazole as a bioactive material is performed. It was prepared from reaction of maleic anhydride with imidazole and Ring opening of maleic anhydride by imidazole, then the substituted maleamic acid was polymerized by freeradical polymerization by using dibenzoylperoxide as initiator. The structure of synthesized polymer was confirmed by FTIR, UV. and 1 H-NMR spectroscopes, The controlled release of imidazol units was studied in different pH values at 37 0 C. All physical properties of prepared polymer were measured.

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