1294510-70-5Relevant articles and documents
5-Nitroimidazole-based 1,3,4-Thiadiazoles: Heterocyclic analogs of metronidazole as anti-helicobacter pylori agents
Moshafi, Mohammad Hassan,Sorkhi, Maedeh,Emami, Saeed,Nakhjiri, Maryam,Yahya-Meymandi, Azadeh,Negahbani, Amir Soheil,Siavoshi, Farideh,Omrani, Maryam,Alipour, Eskandar,Vosooghi, Mohsen,Shafiee, Abbas,Foroumadi, Alireza
, p. 178 - 183 (2011)
A series of 5-nitroimidazole-based 1,3,4-thiadiazoles were prepared and tested for antibacterial activity against Helicobacter pylori. The anti-H. pylori activity of target compounds along with the commercially available antimicrobial metronidazole was evaluated by comparing the inhibition-zone diameters determined by the paper disc diffusion bioassay. From our bioassay results against 20 clinical isolates it is evident that piperazinyl, 4-methylpiperazinyl, 3-methylpiperazinyl, and 3,5-dimethylpiperazinyl analogs (6a, 6b, 6e, and 6f, respectively) and pyrrolidine derivative 7 had strong activity at 0.5 μg/disc (average of inhibition zone >20 mm) while metronidazole had no activity at this dose. Compound 6f containing the 3,5-dimethylpiperazinyl moiety at the 2-position of the 5-(1-methyl-5-nitro-1H- imidazol-2-yl)-1,3,4-thiadiazole skeleton was the most potent compound tested at low concentrations.
