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:
Jun. 18, 1991
Filed:
Jan. 17, 1990
Erhard Reinholz, Mannheim, DE;
Walter-Gunar Friebe, Mannheim, DE;
Wolfgang Kampe, Heddesheim, DE;
Jurgen Mertin, Walenstadt, CH;
Otto-Henning Wilhelms, Weinheim-Rittenweier, DE;
Boehringer Mannheim GmbH, Mannheim, DE;
Abstract
The present invention provides compounds of the general formula: ##STR1## wherein Ar is a phenyl radical optionally substituted by alkyl, alkenyl, alkoxy, alkylthio, alkanoyl, hydroxyl, hydroxyalkyl, carboxyl, alkoxycarbonyl, carbamoyl, nitro, amino or halogen, A is a straight-chained or branched, saturated or unsaturated C.sub.1 -C.sub.8 aliphatic hydrocarbon radical which is optionally substituted by a hydroxyl group, n is 0, 1 or 2, B is a straight-chained or branched, saturated or unsaturated C.sub.1 -C.sub.8 -aliphatic hydrocarbon radical and R is 5-(1H)-tetrazolyl, --CO--NH-tetrazolyl, ##STR2## Cn, SCN, OH, halogen, 5-(1H)-tetrazolylthio, ##STR3## or CO--O--NH--R.sub.1, wherein R.sub.1 is a hydrogen atom, an alkyl radical optionally substituted by cycloalkyl or an alkenyl, cycloalkyl, aralkyl or aryl radical, wherein the aromatic moiety can be substituted by alkyl, alkenyl, alkoxy, alkylthio, alkanoyl, hydroxyl, hydroxyalkyl, carboxyl, alkoxycarbonyl, carbamoyl, nitro, amino or halogen; and the pharmacologically acceptable salts thereof. The present invention also provides processes for preparing these compounds and pharmaceutical compositions containing them for combating allergic diseases.