The present invention relates to a novel quercetin derivative compound and to a use thereof. More specifically, the present invention relates to a novel quercetin derivative compound having inhibitory activity against bromodomain extra-terminal (BET) proteins, and to a pharmaceutical composition for preventing or treating BET protein-related diseases, comprising the same.

The present invention relates to a novel quercetin derivative compound and to a use thereof. More specifically, the present invention relates to a novel quercetin derivative compound having inhibitory activity against bromodomain extra-terminal (BET) proteins, and to a pharmaceutical composition for preventing or treating BET protein-related diseases, comprising the same.

The present application relates to a nitrogen-containing compound. The structural formula of the nitrogen-containing compound is as shown in a Formula 1, in which a ring A and a ring B are each independently selected from a benzene ring or a fused aromatic ring with 10 to 14 ring-forming carbon atoms, and at least one of the ring A and the ring B is selected from the fused aromatic ring with 10 to 14 ring-forming carbon atoms; L is selected from a single bond, a substituted or unsubstituted arylene group with 6 to 30 carbon atoms, and a substituted or unsubstituted heteroarylene group with 3 to 30 carbon atoms; and Het is a substituted or unsubstituted nitrogen-containing heteroaryl group with 3 to 30 carbon atoms. The nitrogen-containing compound of the present application can improve the luminous efficiency of an organic electroluminescent device and the conversion efficiency of a photoelectric conversion device using the nitrogen-containing compound.

##STR00001##

The present application relates to a nitrogen-containing compound. The structural formula of the nitrogen-containing compound is as shown in a Formula 1, in which a ring A and a ring B are each independently selected from a benzene ring or a fused aromatic ring with 10 to 14 ring-forming carbon atoms, and at least one of the ring A and the ring B is selected from the fused aromatic ring with 10 to 14 ring-forming carbon atoms; L is selected from a single bond, a substituted or unsubstituted arylene group with 6 to 30 carbon atoms, and a substituted or unsubstituted heteroarylene group with 3 to 30 carbon atoms; and Het is a substituted or unsubstituted nitrogen-containing heteroaryl group with 3 to 30 carbon atoms. The nitrogen-containing compound of the present application can improve the luminous efficiency of an organic electroluminescent device and the conversion efficiency of a photoelectric conversion device using the nitrogen-containing compound.

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The present invention relates to the production of benzene derivatives from furfural and its derivatives. The present invention also relates to the preparation of novel intermediates derived from furfural and its derivatives. The present invention describes new routes for converting furfural and its derivatives into benzene derivatives including novel intermediates.

Disclosed herein are compounds of Formula (I) which inhibit, regulate and/or modulate tyrosine kinase receptors, particularly Ax1 and Mer signal transduction pathways related to the changes in cellular activities, compositions containing the compounds, methods of using the compounds to treat kinase-dependent diseases and conditions, and methods for making the compounds.

##STR00001##

Disclosed herein are compounds of Formula (I) which inhibit, regulate and/or modulate tyrosine kinase receptors, particularly Ax1 and Mer signal transduction pathways related to the changes in cellular activities, compositions containing the compounds, methods of using the compounds to treat kinase-dependent diseases and conditions, and methods for making the compounds.

##STR00001##

The present invention relates to a A bactericidal or bacteriostatic composition comprising an acetal or a hexitan ether preferentially of a long-chain alkyl sorbitan, arlitan or mannitan, its use in the treatment or prevention of Gram-positive bacterial infections, its use as a hygiene or dermatological product for external use and a method for disinfecting surfaces.

One aspect of the invention provides polymer conjugated MetAP2 inhibitors. While not being bound by any particular theory, it is believed that coupling the MetAP2 inhibitory core via the linkers described herein provides compounds with superior efficacy to the parent small molecules and superior pharmacokinetic profiles. In one aspect of the invention, the polymer conjugated MetAP2 inhibitors are useful in methods of treating disease, comprising administering to a subject in need thereof a therapeutically effective amount of a polymer conjugated MetAP2 inhibitor.

One aspect of the invention provides polymer conjugated MetAP2 inhibitors. While not being bound by any particular theory, it is believed that coupling the MetAP2 inhibitory core via the linkers described herein provides compounds with superior efficacy to the parent small molecules and superior pharmacokinetic profiles. In one aspect of the invention, the polymer conjugated MetAP2 inhibitors are useful in methods of treating disease, comprising administering to a subject in need thereof a therapeutically effective amount of a polymer conjugated MetAP2 inhibitor.