FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention relates to the improved thrombopoietin TPO) mimetic representing 3'-[(2Z)-[1-(3,4-dimethylphenyl)-1,5-dihydro-3-methyl-5-oxo-4H-pyrazol-4-yliden]hydrazine]-2'-hydroxy-[1,1'-biphenyl]-3-carboxylic acid bis-(monoethanolamine). Also, invention relates to a pharmaceutical composition based on indicated salt of the compound, method for treatment of thrombocytopenia in mammal, method for enhancing platelets producing in mammal and methods for preparing indicated pharmaceutical composition and indicated salt of the compound. Invention provides the enhanced solubility of proposed salt as compared with free acid that results to alleviation in preparing the pharmaceutical composition and enhancing biological availability in using indicated salt as agonist of TPO receptors for enhancing platelets producing and in treatment of thrombocytopenia also.
EFFECT: improved and valuable medicinal properties of acid.
19 cl, 2 tbl, 5 ex
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