3-thia-10-aza-phenanthrene derivatives

US8324404B2 · kind B2 · utility

Assignee

• NYCOMED GMBH · DE

Inventors

• Dieter Flockerzi · Allensbach, DE
• Jens Christoffers · Oldenburg, DE
• Anna Christoffers · Oldenburg, DE

Key dates

• Filing date: May 28, 2009
• Grant date: Dec 4, 2012
• Expiry date: Jul 15, 2030

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.