Cyclic urea derivatives, pharmaceutical compositions containing these compounds and processes for preparing them

US5681841A · kind A · utility

Assignee

• Karl Thomae GmbH · DE

Inventors

• Frank Himmelsbach · Mittelbiberach, DE
• Volkhard Austel · Biberach, DE
• Gunter Linz · Mittelbiberach, DE
• Helmut Pieper · Lohr am Main, DE
• Brian Guth · Warthausen, DE
• Thomas Müller · Biberach, DE
• Johannes Weisenberger · Biberach, DE

Key dates

• Filing date: Sep 10, 1993
• Grant date: Oct 28, 1997
• Expiry date: Sep 10, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D453/02
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to cyclic urea derivatives of general formula I ##STR1## wherein R.sub.a, R.sub.b, X and Y are defined as in claim 1, the tautomers, stereoisomers and salts thereof, particularly the physiologically acceptable salts thereof with inorganic or organic acids or bases, which have valuable pharmacological properties, preferably aggregation inhibiting effects, and to drugs containing the compounds and processes for preparing them.