摘要:
The present invention relates to compounds represented by formula (I), or isomers, prodrugs, pharmaceutically acceptable salts, solvates or hydrates thereof: in which each substituent of formula (I) is as defined in the specification. The present invention also relates to preparation methods of compounds represented by formula (I), a pharmaceutical composition comprising compounds represented by formula (I) and usage of compounds represented by formula (I) for treating chronic neurodegenerative diseases such as Alzheimer's disease and other diseases induced by aggregation or deposition of ²-amyloid peptide.
摘要:
The present invention provides a compound of a general formula I, a stereomeride, pharmaceutically acceptable salt or a solvate thereof, a preparation method thereof, and usages in preparing medicines for preventing and/or treating diseases or symptoms caused by drug-resistant tumors or drug-resistant bacteria and in preparing medicines for preventing and/or treating diseases or symptoms related to tumors, neurodegenerative diseases, allogeneic transplantation rejection, and infection. Preferably, the diseases or symptoms related to tumors, neurodegenerative diseases, allogeneic transplantation rejection, and infection are diseases or symptoms caused by a heat shock protein 70 (Hsp70). The compound in the present invention is used for overcoming a difficult problem of drug resistance of tumors, improves the effect of tumor treatment, and provides a new medical strategy for clinical tumor treatment.
摘要:
The present invention relates to an oseltamivir phosphate granule and preparation method thereof. The said granule comprises 1.97-19.8 wt.% oseltamivir phosphate, 75.0-97.5 wt.% diluent, 0.1-5.0 wt.% binder, optionally 1.0-5.0 wt.% edible flavouring essence, sweetener and/or edible pigment. It is prepared by using 30-55v/v% aqueous ethanol solution as moistening agent. The granules prepared by the formulation and method according to the present invention have good uniformity and stability and are water-soluble. The administration dosage of the granules can be conveniently selected based on the age and body weight of patients. The oseltamivir phosphate granule is suitable for administering to old people, children and flu gravis patients and those patients that swallow inconveniently or difficultly. The preparation of the granule is simple and low in production cost.