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:
Oct. 16, 1990
Filed:
Jul. 05, 1988
Jens-Peter Holck, Mannheim, DE;
Alfred Mertens, Schriesheim, DE;
Wolfgang Kampe, Heddesheim, DE;
Bernd Muller-Beckmann, Grustadt, DE;
Gisbert Sponer, Laudenbach, DE;
Klaus Strein, Hemsbach, DE;
Boehringer Mannheim GmbH, Mannheim, DE;
Abstract
The new pyrrolobenzimidazoles according to the present invention are compounds of the general formula: ##STR1## wherein R.sub.1 is a hydrogen atom or an alkyl, alkenyl or cycloalkyl radical, R.sub.2 is a hydrogen atom, an alkyl or alkenyl radical or a cyano group or a carbonyl group substituted by a hydroxyl or hydrazino group or by an alkyl, alkoxy, amino, alkylamino or dialkylamino group or together with R.sub.1 represents a cycloalkylene radical or R.sub.1 and R.sub.2 together form an alkylidene or cycloalkylidene radical, X is a valency bond, a C.sub.1 -C.sub.4 alkylene radical or a vinylene radical, T is an oxygen or sulphur atom and Py is a 2-, 3- or 4-pyridyl radical which optionally carries an oxygen atom on the ring heteroatom and/or can be substituted one or more times by alkyl, alkoxy, hydroxyl, cyano or nitro, as well as by halogen; the tautomers thereof and the physiologically acceptable salts thereof with inorganic and organic acids.