Synthesis,characterization, and in vitro antimicrobial activities of 5-alkenyl/hydroxyalkenyl-2-phenylamine-1,3,4-oxadiazoles and thiadiazoles |
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Authors: | Nida N Farshori Mudasir R Banday Anis Ahmad Asad U Khan Abdul Rauf |
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Institution: | 1. Department of Chemistry, Aligarh Muslim University, Aligarh 202 002, India;2. Interdisciplinary Biotechnology Unit, Aligarh Muslim University Aligarh 202 002, India |
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Abstract: | The long-chain alkenoic acid hydrazides (1a–d) on reaction with phenylisocyanate and phenylthiocyanate gave their corresponding semicarbazides (2a–d) and thiosemicarbazides (4a–d), which on further refluxing with POCl3 and Ac2O yielded corresponding 1,3,4-oxadiazoles (3a–d) and thiadiazoles (5a–d), respectively.The structure elucidation of synthesized compounds is based on the elemental analysis and spectral data (IR, 1H NMR, 13C NMR and MS). The synthesized oxadiazoles and thiadiazoles have been screened for antibacterial and antifungal activities. The investigation of antimicrobial screening revealed that compounds 3c, 3d, 5c, 5d and compounds 3b, 5b, showed good antibacterial and antifungal activities, respectively. |
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