- JAK kinase inhibitor, preparation method thereof, and application in the field of medicines
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The application relates to a JAK kinase inhibitor, a preparation method thereof, and an application in the field of medicines and belongs to the field of medical chemistry. In the application, a series of novel small-molecular JAK inhibitors are provided and are represented as the general formula (II). The compounds have better effects and higher safety in prevention or treatment on JAK-related adaptation diseases.
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Paragraph 0335; 0338; 0341; 0342
(2019/04/10)
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- CONDENSED PYRIDINE COMPOUND
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The present invention provides a compound having excellent JAK3 inhibitory activity and being useful as an active ingredient of an agent for treating and/or preventing various immune diseases including autoimmune diseases, inflammatory diseases, and allergic diseases. As a result of investigations with respect to novel condensed heterocyclic derivatives, the inventors have verified that a condensed pyridine compound has excellent JAK3 inhibitory activity, thereby completing the present invention. More specifically, it has been verified that since the compound according to the present invention has inhibitory activity against JAK3, the compound is useful as an active ingredient of an agent for treating or preventing diseases caused by undesirable cytokine signal transduction (e.g., rejection during live organ/tissue transplantation, autoimmune diseases, asthma, atopic dermatitis, rheumatism, psoriasis and atherosclerotic disease), or diseases caused by abnormal cytokine signal transduction (e.g., cancer and leukemia).
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Page/Page column 39
(2009/12/07)
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