Purpose: To prepare some 2-amino-4-(7-substituted/unsubstitutedcoumarin-3-yl)-6-(chlorosubstitute dphenyl) pyrimidines as antimicrobial agents. Methods: Some 2-amino-4-(7-substituted/unsubstitutedcoumarin-3-yl)-6-(chlorosubstitutedphenyl) pyrimidines were prepared by reacting 3-chlorosubstitutedphenyl-1-(7-substituted/unsubstituted coumarin-3-yl)prop-2-ene-1-ones with guanidine carbonate. The c...

background: mentha piperita l. essential oils have different antibacterial activity. in the present study, we investigated the effect of γ–irradiation on the antibacterial activities of mentha piperita l. essential oils in vitro and in vivo systems. materials and methods: the aerial parts of peppermint were irradiated in a cobalt60 source with 0, 10 and 25 kgy absorbed doses. then, the plants w...

purpose: in this study, we have focused on antibacterial effect of newly synthesized thiazole, imidazole and tetrahydropyrimidine derivatives in iran on listeria monocytogenes. materials and methods: for evaluation of antibacterial effect, the disk diffusion method was applied to measure the growth inhibition zone diameter and broth micro dilution was performed to determine the minimum inhibito...

bacterial resistance is a major drawback in chemotherapy of infectious diseases. in this investigation a new series of 3,5-diarylamide dihydropyridines containing 2-benzylsulfonylimidazol at 4 position have been synthesized and studied for their enhancing effect on the antibacterial activities of different penicillins against a resistant clinical isolate of s. aureus using disc diffusion method...

Evaluation of antioxidant, antibacterial, antifungal and cytotoxic effects Clausena suffruticosa ethanolic root extractMd. Atiar Rahman, Joti Sankhar Chakma, Saiful Islam, Nazim Uddin Ahmed