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   the new schiff bases of 2-alkylthio-5-(4-aminophenyl)-1,3,4-oxadiazoles and their antimicrobial activity  
   
نویسنده ismailova d. s. ,ziyaev a. a. ,bobakulov kh. m. ,sasmakov s. a. ,makhmudov u. s. ,yusupova e. g. ,azimova sh. s.
منبع journal of the iranian chemical society - 2019 - دوره : 16 - شماره : 3 - صفحه:545 -551
چکیده    By the reaction of 5-(4-aminophenyl)-1,3,4-oxadiazolin-2-thione with alkyl halides 2-alkylthio-5-(4-aminophenyl)-1,3,4-oxadiazoles, 2–4 were obtained. by the reaction of compounds 2–4 with aromatic aldehydes, new schiff bases 5a–d and 6a–d were synthesized. the structures of synthesized compounds are confirmed by the ir, uv, 1h nmr for all compounds, 13c nmr for compounds 3, 4, 5a–5d, 6a, 6d and x-ray for compound 3. all substances were tested in vitro for their antibacterial and antifungal activity. the results showed that compound 2 exhibited remarkable activity against candida albicans. compounds 5а–d were found to exhibit a weak selective activity against gram-positive bacteria of bacillus subtilis and compounds 6а–d against gram-negative bacteria of escherichia coli.
کلیدواژه 5-(4-aminophenyl)-1 ,4-oxadiazol-2-thione ,aromatic aldehyde ,amino group ,nmr spectra ,x-ray analysis ,antimicrobial activity
آدرس academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan, academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan, academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan, academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan, academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan, academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan, academy of sciences of the republic of uzbekistan, acad. s.yu. yunusov institute of the chemistry of plant substances, uzbekistan
 
     
   
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