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Journals and Conferences
Synthesis and biological activity of a series of 7^[(Z)-2-(2-aminothiazol-4-yl)-3-(substituted)2-propenoylamino]-3-cephem-4-carboxylic acids and their pivaloyloxymethyl esters are described. These acid compounds exhibited potent antibacterial activity against both Gram-positive and Gram-negative bacteria. Pivaloyloxymethyl esters of selected compounds in… (More)
Among the prepared novel cephalosporin derivatives related to S-3578, a series of 7beta-[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(Z)-ethoxyiminoacetamido]-3-[1-(aminoalkyl)-1H-pyrazolo[4,3-b]pyridinium-4-yl]methyl-3-cephem-4-carboxylate showed potent activity against both MRSA and Pseudomonas aeruginosa, and displayed good water solubility.
Among the prepared C-3' substituted-pyridinium cephalosporins, a series of 7beta-[2-(5-amino-1,2,4-thiadiazol-3-yl)-2-ethoxyiminoacetamido] cephalosporins bearing 4-[3-(aminoalkyl)-ureido]-1-pyridinium at C-3' showed highly potent antibacterial activity against MRSA and Pseudomonas aeruginosa.
A series of 7-aminothiadiazolylcephalosporins having a 1-(substituted)-1H-imidazo[4,5-b]pyridinium group at the C-3' position of the cephem nucleus were synthesized and evaluated for in vitro antibacterial activities. Among the cephalosporins prepared in this study,… (More)
Symptoms of X-linked recessive diseases are usually observed in males, but also observed in some female carriers because of nonrandom X inactivation in which the mutated X chromosome is active and the normal X chromosomes is inactive. Therefore, it is important to investigate the patterns of X-chromosome inactivation (XCI) for clinical assessment of… (More)
Durantoside IV tetraacetate was isolated fromDuranta repens Linn and identified by physical and chemical evidence.