Pyridazinone derivatives

US8853211B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Dieter Dorsch · Ober-Ramstadt, DE
• Oliver Schadt · Rodenbach, DE
• Frank Stieber · Heidelberg, DE
• Andree Blaukat · Heilbad Heiligenstadt, DE

Key dates

• Filing date: Dec 10, 2009
• Grant date: Oct 7, 2014
• Expiry date: May 18, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D417/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of the formula (I) in which D, R1, R2, R3, R4 have the meanings indicated in Claim 1, are inhibitors of tyrosine kinases, in particular of Met kinase, and can be employed, inter alia, for the treatment of tumors.