Fused pyrimidine compounds and their use as pharmaceuticals

US5571813A · kind A · utility

Assignee

• Beiersdorf-Lilly GmbH · DE

Inventors

• Gerd R uhter · Hamburg, DE
• Theo Schotten · Winsen (Luhe), DE
• Wolfgang Stenzel · Reinbek, DE
• Michael Paal · Hamburg, DE

Key dates

• Filing date: Jun 6, 1994
• Grant date: Nov 5, 1996
• Expiry date: Jun 6, 2014

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P43/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Pharmaceutical compounds which are azolo-fused pyrimidine compounds having the formula ##STR1## in which .dbd.A--B-- together with the pyrimidine ring forms a) a pyrazolo[1,5-a]pyrimidine of formula (A), ##STR2## b) a [1,2,4]triazolo[1,5-a]pyrimidine of formula (B), ##STR3## c) an imidazo[1,5-a]pyrimidine of formula (C), ##STR4## or d) an imidazo[1,2-a]pyrimidine of formula (D), ##STR5##