3-thia-10-aza-phenanthrene derivatives

US7589205B2 · kind B2 · utility

Assignee

• NYCOMED GMBH · DE

Inventors

• Dieter Flockerzi · Allensbach, DE
• Ulrich Kautz · Allensbach, DE
• Armin Hatzelmann · Konstanz, DE
• Christof Zitt · Konstanz, DE
• Andrea Wohlsen · Konstanz, DE
• Degenhard Marx · Radebeul, DE
• Hans-Peter Kley · Allensbach, DE
• Jens Christoffers · Oldenburg, DE
• Anna Rosiak · Hannover, DE

Key dates

• Filing date: Sep 5, 2005
• Grant date: Sep 15, 2009
• Expiry date: Sep 5, 2025

Classification

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

Abstract

The compounds of formula Iin which A, R1, R2 and R3 have the meanings as given in the description, are novel effective PDE4 inhibitors.