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  • Title: [Antimicrobial activity of derivatives of 1,2,4-benzothiadiazine-1,1-dioxide. VIII].
    Author: Di Bella M, Monzani A, Andrisano MG, Fabio U, Quaglio GP.
    Journal: Farmaco Sci; 1979 Mar; 34(3):189-98. PubMed ID: 527707.
    Abstract:
    The antimicrobial activity of a series of fluoro derivatives of benzothiadiazine and sulfonamides was studied. The compounds tested can be grouped as: a) 3-alkylmercapto derivatives of 6-trifluoromethyl-1,2,4-benzothiadiazine-1,1-dioxide (III leads to VI); the 3-mercapto precursor (VII) and the related 3-picolinic salt (VIII); b) 3-trifluoromethyl derivatives of 1,2,4-benzothiadiazine-1,1-dioxide and of its benzene substituted derivatives (IX leads to XVI); c) trifluoroacetylaminobenzenesulfonamides (XVII leads to XXV). Two of the 3-alkylmercapto compounds [(V) and (VI)] showed marked inhibitory activity against some strains of Staphylococcus, Streptococcus and Diplococcus. None of the compounds tested proved active against Gram-negative schizomycetes (genera Salmonella, Shigella, Escherichia, Proteus, Pseudomonas, Enterobacter, Klebsiella, Serratia, Yersinia, Providencia) or against yeasts (Candida).
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