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    Synthesis of (R)-norbgugaine and its potential as quorum sensing inhibitor against Pseudomonas aeruginosa

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    Bioorg_Med_Chem_Lett_23_2353a.pdf (263.3Kb)
    Date
    2013
    Author
    Majik, M.S.
    Naik, D.
    Bhat, C.
    Tilve, S.
    Tilvi, S.
    DeSouza, L.
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    Abstract
    (R)-Bgugaine is a natural pyrrolidine alkaloid from Arisarum vulgare, which shows antifungal and antibacterial activity. We have accomplished the simple synthesis of norbgugaine (demethylated form of natural bgugaine) employing Wittig olefination and cat hydrogenation as the key steps and its biological studies are reported for the first time. The synthesized norbgugaine was evaluated for inhibition of quorum sensing mediated virulence factors (motility, biofilm formation, pyocyanin pigmentation, rhamnolipid production and LasA protease) in Pseudomonas aeruginosa wherein swarming motility is reduced by 95 percent, and biofilm formation by 83 percent.
    URI
    http://drs.nio.org/drs/handle/2264/4277
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