Phenyl-substituted pyrazolopyrimidines

US8158633B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Martin Hendrix · Tarrytown, US
• Frank-Gerhard Böβ · Grafton, GB
• Nils Burkhardt · Velbert, DE
• Christina Erb · Wiesbaden, DE
• Adrian Tersteegen · Wuppertal, DE
• Marja Van Kampen · Neu-Isenburg, DE

Key dates

• Filing date: Aug 12, 2003
• Grant date: Apr 17, 2012
• Expiry date: Mar 19, 2025

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/28
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to novel phenyl-substituted pyrazolopyrimidines, process for their preparation, and their use for producing medicaments for improving perception, concentration, learning and/or memory.