| 摘要 |
Sulfonamide derivatives of the formula I <IMAGE> I where R1 is a C1-C4-alkyl or phenyl group which may be substituted by halogen, trifluoromethyl or C1-C4-alkyl, R2 is hydrogen or C1-C4-alkyl, A is a group CHOR3+L, C=O, C=S or C=N-OR4, R3 is hydrogen, C1-C4-alkyl phenyl, benzyl or C1-C4-acyl, R4 is hydrogen or methyl, B may be methylene or ethylene in the m or p position or, of A is not carbonyl, may be methyleneoxy, the oxygen atom being bonded to the aromatic, and E is a carboxyl, phosphonic acid or sulfo radical, their physiologically acceptable salts, esters with C1-C4-alcohols or amides or the tetrazol-5-yl radical, their preparation and their use as drugs.
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