Pyridazinone derivatives

US8927540B2 · 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: Mar 5, 2013
• Grant date: Jan 6, 2015
• Expiry date: May 27, 2033

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.