Three new complexes of Co(II), Ni(II), and Zn(II), containing ligand Schiff base (DHMA) derived from methyldopa (mdop) with 3-hydroxybenzaldehyde have been prepared. The synthesized its were diagnostics by using different physical techniques, results showed that the an octahedral shape. In addition it has studied adsorption behavior, Uv-Vis technique applied to survery isotherm adsorption. poss...

We have designed and synthesized novel bis-thiazole derivative. A 4-[bis(thiazol-2-ylamino)methyl]phenol was efficiently prepared in 71% yield by the reaction of 2-aminothiazole with 4-hydroxybenzaldehyde ethanol for 24 h. The structure newly obtained compound characterized 1H, 13C NMR mass spectrometry. Bis-thiazole derivative exhibits high tyrosinase inhibitory activity an IC50 value 29.71 μM...

Plumbago (family plumbaginaceae) is an evergreen shrub with colored flowers widely grown in a tropical climate, especially in Southeast Asia, South Asia and South African. There are many species of Plumbago e.g. Plumbago indica L., syn. Plumbago rosea with red flowers, Plumbago zeylanica with white flowers and Plumbago auriculata with blue flowers. Their major ingredients are napthoquinones suc...

The effective removal of o-cresol is currently both an environmental problem. This paper shows how degradation of o-cresol was carried out, in the presence of UV; by ZnO as photocatalyst. To measure the efficiency of photodegradation, the different variables studied included amount of photocatalyst, concentration of o-cresol and pH. The results showed photodegradation was favorable in the pH 6-...