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

US5852192A · kind A · utility

Assignee

• Dr. Karl Thomae GmbH · DE

Inventors

• Frank Himmelsbach · Mittelbiberach, DE
• Helmut Pieper · Lohr am Main, DE
• Volkhard Austel · Biberach, DE
• Guenter Linz · Mittelbiberach, DE
• Johannes Weisenberger · Biberach, DE
• Wolfgang Eisert · Biberach, DE
• Thomas Mueller · Zell am Harmersbach, DE

Key dates

• Filing date: May 1, 1997
• Grant date: Dec 22, 1998
• Expiry date: May 1, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/6506
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to cyclic urea derivatives of general formula ##STR1## wherein R.sub.a, R.sub.b, X and Y are as defined herein, pharmaceutical compositions containing the derivatives and processes for preparing them.