Synthesis and antimicrobial activity of amide derivatives of polyether antibiotic—salinomycin
2012
Huczyński, Adam | Janczak, Jan | Stefańska, Joanna | Antoszczak, Michał | Brzeziński, Bogumił
For the first time a direct and practical approach to the synthesis of eight amide derivatives of polyether antibiotic—salinomycin is described. The structure of allyl amide (3a) has been determined using X-ray diffraction. Salinomycin and its amide derivatives have been screened for their in vitro antimicrobial activity against the typical Gram-positive cocci, Gram-negative rods and yeast-like organisms, as well as against a series of clinical isolates of methicillin-resistant Staphylococcus aureus and methicillin-sensitive S. aureus. Amides of salinomycin have been found to show a wide range of activities, from inactive at 256μg/mL to active with MIC of 2μg/mL, comparable with salinomycin. As a result, phenyl amide (3b) was found to be the most active salinomycin derivative against Gram-positive bacteria, MRSA and MSSA.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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