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  • Title: Synthesis and antibacterial activities of novel pleuromutilin derivatives.
    Author: Yi Y, Fu Y, Wang K, Shui Y, Cai J, Jia Z, Niu B, Liang J, Shang R.
    Journal: Arch Pharm (Weinheim); 2018 Sep; 351(9):e1800155. PubMed ID: 30058185.
    Abstract:
    Pleuromutilin derivatives 4a-h, 5a-g, and 6a-d were synthesized and characterized by IR, 1 H NMR, and 13 C NMR. All synthetic compounds were screened for their in vitro antibacterial activity against Staphylococcus aureus (ATCC 25923), methicillin-resistant S. aureus (MRSA, ATCC 43300), Pasteurella multocida (CVCC 408), Escherichia coli (ATCC 25922), and Salmonella typhimurium (ATCC 14028). Most compounds with quaternary amine showed higher antibacterial activities against both Gram-positive and Gram-negative bacteria strains. Among the screened compounds, compound 5a bearing an N,N,N-trimethyl group at the C-14 side chain of pleuromutilin was found to be the most active agent. Furthermore, preliminary molecular docking was performed to predict the binding interaction of the compounds in the binding pocket.
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