Synthesis , Identification and Study The Biological Activity of Some Tetrazole Derivatives From Imidazole Derivative
Abstract
    This research involved synthesis of tetrazol derivatives by a chain of reaction. The first step includes react between o-phenylenediamin with 5-amino salicylic acid to get 4-amino-2(1H-benzo[d]imidazol-2-yl)phenol(1).(1) react with (4-dimethylamino benzaldehyde ,4-hydroxy acetophenone ,Vanillin, Acetylacetone , 4-Bromoacetophenone and m-aminoacetophenone) to get schiff base derivatives (2,3,4,5,6 and 7) consecutive.(7) react with (4-chlorobenzaldehyde ,4-Bromoacetophenone) to get schiff base derivatives (8,9) consecutive.(1) react with salicylaldehyde and sodium Nitrate in acid medium to get azo derivative (18).All schiff base derivatives (2,3,4,5,6,7,8,9) react with sodium azide to get tetrazol derivatives (10,11,12,13,14,15,16 and17) consecutivly.(18) which react with ( 3-nitro aniline , 4- amino acetophenone , 2-amino-5-nitrothiazole ,2-aminobenzimidazole ,2-aminopyridine and benzidine) to get schiff base derivatives (19,20,21,22,23 and 24) consecutive,which react with sodium azide to get tetrazole derivatives (25,26,27,28,29 and 30) consecutive.All these compounds characterized by means of FT-IR,and some of the compounds by means of 1H-NMR, and13C-NMR and follow the reaction by Rf-TLC and measurement of melting point.
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