7-(.alpha.-SULFOACYLAMIDO)CEPHALOSPORANIC ACIDS

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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424246, C07D50132, C07D50128

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active

039883272

ABSTRACT:
Novel cephalosporanic acid derivatives which are active against both Gram positive and Gram negative pathogenic bacteria, particularly Pseudomonas, and which have an .alpha.-sulfoacylamino group at 7-position. A few examples of the compounds are 7-(.alpha.-sulfophenylacetamido)-cephalosporanic acid, 7-(.alpha.-sulfopropionamido)-cephalosporanic acid, 7-(.alpha.-sulfocapronamido)-cephalosporanic acid. They are prepared by condensing 7-aminocephalosporanic acid or salts thereof with .alpha.-sulfocarboxylic acid or functional derivatives thereof in the presence of a solvent at -2.degree. - 10.degree. C.

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