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Synthesis, Characterization and Biological Activity Evaluation of Some New Azo Derivatives from 2- Amino Benzothiazole and Their Derivatives | ||
| Kirkuk Journal of Science | ||
| Article 1, Volume 13, Issue 1, 2018, Pages 212-227 PDF (0 K) | ||
| DOI: 10.32894/kujss.2018.143033 | ||
| Authors | ||
| Abdullmajeed K. Ahmed; Ihmood K. Jebur; Mohammed Ali Muayad Hamzah | ||
| Abstract | ||
| This study includes synthesis 2-amino benzothiazole and its substitutes (M1-M14) by the reaction of aniline derivatives with KSCN in presence of Br2 and glacial acetic acid then neutralize by concentrated ammonia solution or (by 50% NaOH). The prepared compounds (M3-M5-M6-M11) were used for preparation diazonium salts through reaction with NaNO2 and HCl, at that point diazonium salts were utilized specifically interaction with 4-amino antipyrine and 4-amino-3-hydroxy-1-naphthalene sulphonic acid (in alkaline medium) to produce azo dyes (M15-M22). These compounds were characterized by their physical properties, spectroscopic information (FT-IR, 1H-NMR, 13C-NMR and CHNS elemental analysis), and also to systematically defining of a few active functional groups for these prepared compounds. The biological activity evaluated for four of prepared compounds towards four kinds of bacteria | ||
| Keywords | ||
| azo dyes; diazonium salts; benzothiazole; amino antipyrine | ||
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