Abstract:
A compound represented by Formula (I), a pharmaceutically acceptable salt or ester, hydrate, solvate or crystalline form thereof is provided: The compound represented by Formula (I) is a β-amino acid derivative, and in Formula (I) X is a single bond or O; Y is NH or C═O; Z is C═O, C═S, NH, W is C or N; A is a single bond, O, OH, OCH2, a heterocycle or N3; R1 is H or F; R2 is H, F, OH, CF3, CH2OH, CHO or R3 is H; n is 0 or 1; and m is 0 or 1.
Abstract:
A compound of formula (I) or a pharmaceutically acceptable salt thereof is provided. In formula (I), Ar is indazole, 5-isoquinoline, 6-isoquinoline, or their N-oxide. X is —C(═Z)—, wherein Z is N—CN, NH, NR4, NCOR4, NCONR4R5, NCO-aryl, S, or O. Y and J are independently H, alkyl, aryl, aminoalkyl, —NH2, —CN, —OH, —O-alkyl, —O-aryl, —COOH, —COOR4, —CONHR4, —CONHCH2-aryl, —CONR4CH2-aryl, —NHCOR4, halogen, halogened alkyl, -alkyl-OR4, -alkyl-ONO2, alkyl-ONO2, —OCOOR4, —O(C═O)-aryl, —CHR4OH, —CH2OH, —CH2O(C═O)-aryl, —CH2O(C═O)—R4, —CHR4O(C═O)-aryl, —CHR4O(C═O)—R4, unsaturated carboxylic ester, substituted alkynyl, —NHSO2R4, —SO2R4, —SO2NHR4, or —SO2NR4R5, or Y and J bond together to form a carbocylic or aromatic ring, wherein R4 and R5 are independently H, substituted C1-C6 alkyl, substituted aryl, cycloalkyl, alkylaryl, -alkyl-NR6R7, —S(O)0-2-(alkyl-NR6R7). R1, R2 and R3 are H, C1-C6 alkyl, cycloalkyl, aryl, alkylaryl, alkylheteroaryl, alkylheterocycle, wherein any one thereof is optionally substituted with one or more of OH, NO2, or NR8R9.
Abstract:
The disclosure is directed to a monohydrate crystalline form of 3-(5-(4-(3-fluoropropyl)piperazin-1-yl)benzimidazol-2-yl)-1-azaazulen-2-one, possessing diffraction peaks of about 12.9°, 15.9°, 17.9°, 21.2°, 22.9°, 23.5° and 24.5°. Its preparation method and pharmaceutical composition thereof are also provided.
Abstract:
A composition for improving the solubility of poorly soluble substances is provided. The composition includes about 40-99.5% by weight of cyclodextrin and/or derivatives thereof; about 0.05-10% by weight of at least one water-soluble polymer; and about 0.05-60% by weight of at least one water-soluble stabilizer.
Abstract:
The disclosure provides a biomedical composition, including: a hyaluronic acid; a modified histidine; and a polymer or C4-C20 alkane, wherein the modified histidine and the polymer or C4-C20 alkane are grafted to at least one primary hydroxyl group of the hyaluronic acid to allow the hyaluronic acid to form a hyaluronic acid derivative, wherein a graft ratio of the modified histidine is about 1-100%, and a graft ratio of the polymer or C4-C20 alkane is about 0-40%.
Abstract:
The disclosure provides a pharmaceutical composition. The pharmaceutical composition includes a chitosan with palmitoyl groups and an active agent. According to another embodiment, the pharmaceutical composition can further include a gelling accelerating agent. According to an embodiment of the disclosure, the active agent of the disclosure can be administered in the form of a nano-drug, liposome, micelle, or microparticle.