Synthesis and characterization of Novel Schiff bases and evaluation of Corrosion inhibitors and biological activity

Abstract

Novel Schiff bases have been prepared from (6R,7R)-3-[( acetyloxy)methyl]-7-[[( Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]-oct-2-ene-2-carboxylate sodium and 2,4-dihydroxy benzaldehyde ,3-methoxy-4-hydroxy benzaldehyde and3,4-dimethoxy benzaldehyde .The homogeneity of the compounds was chered by TLC .The structures of these Schiff bases have been characterized using IR,UV-Vis Spectroscopy, Elemental analysis(CHNS) ,melting points uncorrected ,These Schiff bases have been studies as Corrosion inhibitors for brass in acide media (0.5 N HCl) and antibacterial of the Schiff bases have also been tested against both Gram-positive and Gram –nagative bacteria .