Abstract: An atomic layer etching method using a ligand exchange reaction may include a substrate providing step of putting a substrate with a thin film formed thereon into a reaction chamber, a halogenated thin film forming step of forming a halogenated thin film on a surface of the thin film by infusing a halogenated gas into the reaction chamber, and an etching step of etching the halogenated thin film by infusing a ligand without a metal or metal precursor into the reaction chamber with the substrate with the halogenated thin film.

Abstract: An embodiment relates to a crystal polymorph of 8-bromo-2-(1-methylpiperidin-4-ylamino)-4-(4-phenoxyphenylamino)pyrido [4,3-d]pyrimidin-5(6H)-one hydrochloride which can effectively suppress FLT3 and has excellent stability even in a high temperature and humid environment, and a method for preparing same.

Abstract: A pyrrolo(pyrazolo)pyrimidine compound of Formula 1, a pharmaceutically acceptable salt, a hydrate, a solvate, a prodrug, and an isomer, and pharmaceutical compositions containing the compound are disclosed. The compound of Formula 1 shows excellent LRRK2 inhibitory activity.

Abstract: The present invention relates to a pyrrolo(pyrazolo)pyrimidine derivative having efficacy as an LRRK2 inhibitor, a preparation method therefor, and a pharmaceutical composition for preventing or treating degenerative brain diseases, containing the same.

Abstract: An embodiment relates to a crystal polymorph of 8-bromo-2-(1-methylpiperidin-4-ylamino)-4-(4-phenoxyphenylamino)pyrido[4,3 -d]pyrimidin-5 (6H)-one hydrochloride which can effectively suppress FLT3 and has excellent stability even in a high temperature and humid environment, and a method for preparing same.

Abstract: Pyridopyrimidinone derivatives and pharmaceutical compositions containing the same for use as an Axl inhibitor for the treatment of a disease or condition mediated by Axl such as cancer and metastasis, are disclosed. Also disclosed are methods for treating a Axl-mediated disease or condition by administering to a subject a therapeutically effective amount of the pyridopyrimidinone derivative.

Abstract: The present invention provides a new group of protein kinase inhibitors, aminopyrimidine derivatives, and pharmaceutically acceptable salts thereof that are useful for treating cell proliferative disease and disorder such as cancer and immune disease. The present invention provides methods for synthesizing and administering the protein kinase inhibitor compounds. The present invention also provides pharmaceutical formulations comprising at least one of the protein kinase inhibitor compounds together with a pharmaceutically acceptable carrier, diluent or excipient therefore. The invention also provides useful intermediates generated during the syntheses of the aminopyrimidine derivatives.

Abstract: The present invention provides a new group of protein kinase inhibitors, aminopyrimidine derivatives, and pharmaceutically acceptable salts thereof that are useful for treating cell proliferative disease and disorder such as cancer and immune disease. The present invention provides methods for synthesizing and administering the protein kinase inhibitor compounds. The present invention also provides pharmaceutical formulations comprising at least one of the protein kinase inhibitor compounds together with a pharmaceutically acceptable carrier, diluent or excipient therefore. The invention also provides useful intermediates generated during the syntheses of the aminopyrimidine derivatives.

Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).

Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).

Abstract: Compounds of Formula (I) and methods for inhibiting kinases, including spleen tyrosine kinases, are disclosed. Also disclosed are methods for treating a kinase-mediated disease or condition by administering to a subject a therapeutically effective amount of the compound of Formula (I).

Abstract: The present invention relates to an alpha-arylmethoxyacrylate derivative, a preparation method thereof and a pharmaceutical composition comprising the same, and the alpha-arylmethoxyacrylate derivative is inhibitory of HIF, which plays an important role in the regulation of genes associated with energy metabolism, vasomotion, angiogenesis and apoptosis and in the response of cells under hypoxic conditions, so that it can be used for preventing or treating of diseases such as cancer, arthritis, psoriasis, diabetic retinopathy and macular degeneration.

Abstract: The present invention relates to an alpha-arylmethoxyacrylate derivative, a preparation method thereof and a pharmaceutical composition comprising the same, and the alpha-arylmethoxyacrylate derivative is inhibitory of HIF, which plays an important role in the regulation of genes associated with energy metabolism, vasomotion, angiogenesis and apoptosis and in the response of cells under hypoxic conditions, so that it can be used for preventing or treating of diseases such as cancer, arthritis, psoriasis, diabetic retinopathy and macular degeneration.

Abstract: The present invention relates to a composition comprising Notoginseng radix extract for preventing and treating arthritis as an effective ingredient. Notoginseng radix extract of the present invention inhibits release of tumor necrosis factor-alpha (TNF-?) and is the death of activated T-cells only, so that it can be effectively used for the production of a medicine for preventing and treating arthritis and health food as well.

Abstract: The present invention relates to a composition comprising Notoginseng radix extract for preventing and treating arthritis as an effective ingredient. Notoginseng radix extract of the present invention inhibits release of tumor necrosis factor-alpha (TNF-?) and is the death of activated T-cells only, so that it can be effectively used for the production of a medicine for preventing and treating arthritis and health food as well.