Synthesis of some diphenolic Schiff base compounds and their structural characterization

In the first stage of the study synthesized diethyleneglycol ditosilate ve triethyleneglycol ditosilate. Five o-nitrophenyl ether compounds were synthesized by using diethyleneglycol ditosilate ve triethyleneglycol ditosilate, ethylene bromide, 1,3-dibromopropane and 1,4-dibromobuthane with o-nitrophenol. This compounds were reduced to o-aminophenyl ethers. In the second stage twelve Schiff bases were synthesized by using salicylaldehyde, 5-chlorosalicylaldehyde and 5-bromosalicylaldehyde with oaminophenyl ethers. The structures of all the synthesized compounds were characterized by using elementary analyses, FT-IR, 13C-NMR and 1H-NMR Spectroscopy techniques. Keywords: Schiff base, o-Nitrophenyl ether, o-Aminophenyl ether, Reduction, Ditosilate