Thienopyrimidines

US6780867B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Rochus Jonas · Darmstadt, DE
• Hans-Michael Eggenweiler · Darmstadt, DE
• Pierre Schelling · Mühltal, DE
• Maria Christadler · Darmstadt, DE
• Norbert Beier · Reinheim, DE

Key dates

• Filing date: Mar 3, 2003
• Grant date: Aug 24, 2004
• Expiry date: Mar 3, 2023

Classification

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

Abstract

Thienopyrimidines of the formula (I) and their physiologically acceptable salts, in which R1, R2 and X are as defined in claim 1, exhibit phosphodiesterase V inhibition and can be employed for the treatment of illnesses of the cardiovascular system and for the treatment and/or therapy of impotence.