Phenyl carboxamide-containing spleen tyrosine kinase (SYK) inhibitors

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The Merck Sharp & Dohme Corp. patent solves the following problem:

Spleen Tyrosine Kinase (SYK) is a protein tyrosine kinase described as a key mediator of immunoreceptor signaling a host of inflammatory cells including mast cells, B-cells, macrophages and neutrophils. These immunoreceptors, including Fc receptor and the B-cell receptor, is important for allergic diseases, and antibody-mediated autoimmune diseases and thus pharmacologically interfering SYK conceivably treat these diseases.

Our analysis of this patent is as follows:

Merck Sharp & Dohme Corp.’s patent US 9006444 B2 deals with Phenyl carboxamide-containing spleen tyrosine kinase (SYK) inhibitors.
invention provides certain phenyl formamide-containing compounds of Formula (I); or pharmaceutically acceptable salts thereof, wherein A and B as described here. invention also provides pharmaceutical compositions comprising such compounds, and methods of using the compounds for treating diseases or conditions mediated spleen tyrosine kinase (SYK) kinase.

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