Compounds for the treatment of CNS disorders

US9079905B2 · kind B2 · utility

Assignee

• Boehringer Ingelheim International GmbH · DE

Inventors

• Klaus Fuchs · Ingelheim am Rhein, DE
• Cornelia Dorner-Ciossek · Ingelheim am Rhein, DE
• Christian Eickmeier · Mittelbiberach, DE
• Dennis Fiegen · Biberach an der Riß, DE
• Thomas Fox · Biberach, DE
• Riccardo Giovannini · Verona, IT
• Niklas Heine · Eberhardzell, DE
• Martin Hendrix · Tarrytown, US
• Holger Rosenbrock · Mittelbiberach, DE
• Gerhard Schaenzle · Biberach, DE

Key dates

• Filing date: Sep 4, 2009
• Grant date: Jul 14, 2015
• Expiry date: Sep 25, 2031

Classification

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

Abstract

The invention relates to novel cycloalkyl- or cycloalkenyl-substituted pyrazolopyrimidinones of formula (I).wherein A, R1-R5 and x are as defined herein, and their use as medicaments for improving perception, concentration, learning and/or memory in patients in need thereof.