Pyridazinone derivatives

US8580781B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

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

Key dates

• Filing date: Apr 29, 2008
• Grant date: Nov 12, 2013
• Expiry date: Mar 13, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/2826
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

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