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Details for Patent: 5,591,762

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Summary for Patent: 5,591,762

Title: Benzimidazoles useful as angiotensin-11 antagonists
Abstract:Disclosed herein are angiotensin-II antagonists of the formula ##STR1## wherein R.sub.1 is, other than hydrogen and, inter alia, halogen, lower alkyl or cycloalkyl; R.sub.2 is, inter alia, optionally substituted benzimidazol-2-yl, 5,6,7,8-tetrahydro-imidazo[1,2-a]pyridin-2-yl, butanesultam-1-yl, imidazol-4-yl, and tetrahydobenzimidazol-2-yl; R.sub.3 is, inter alia, lower alkyl; and, R.sub.4 is an acidic group, such as carboxyl or tetrazolyl. An exemplary compound is: (a) 4'-[[2-n-propyl-4-methyl-6-(1-methylbenzimidazole-2-yl)-benzimidazol-1-yl] methyl]-biphenyl-2-carboxylic acid.
Inventor(s): Hauel; Norbert (Schemmerhofen, DE), Narr, deceased; Berthold (late of Biberach, DE), Ries; Uwe (Biberch, DE), van Meel; Jacobus C. A. (Mittelbiberach, DE), Wienen; Wolfgang (Biberach/Rissegg, DE), Entzeroth; Michael (Warthausen, DE)
Assignee: Dr. Karl Thomae GmbH (Biberach an der Riss, DE)
Application Number:08/457,204
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
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Foreign Priority and PCT Information for Patent: 5,591,762

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany41 03 492.9Feb 06, 1991
Germany41 17 121.7May 25, 1991
Germany41 37 812.1Nov 16, 1991

International Patent Family for Patent: 5,591,762

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria141270<disabled in preview>
Austria166346<disabled in preview>
Australia1070792<disabled in preview>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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