The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 12, 1991
Filed:
May. 26, 1989
Bernhard Schmied, Frankenthal, DE;
Hand D Lehmann, Hirschberg, DE;
Verena Baldinger, Heidelberg, DE;
Klaus Ruebsamen, Neustadt, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Sulfonamide derivatives of the formula I ##STR1## where R.sup.1 is a C.sub.1 -C.sub.4 -alkyl or phenyl group which may be substituted by halogen, trifluoromethyl or C.sub.1 -C.sub.4 -alkyl, R.sup.2 is hydrogen or C.sub.1 -C.sub.4 -alkyl, A is a group CHOR.sup.3 C.dbd.O, C.dbd.S or C.dbd.N--OR.sup.4, R.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkyl phenyl, benzyl or C.sub.1 -C.sub.4 -acyl, R.sup.4 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 C.sub.1 -C.sub.4 -alcohols or amides or the tetrazol-5-yl radical, their preparation and their use as drugs.