AMINOACYL DERIVATIVE PRODRUGS AND PREPARATIONS FOR TREATING THROMBOEMBOLIC DISEASES Russian patent published in 2011 - IPC C07D413/14 A61K31/422 A61K31/5377 A61P7/02 

FIELD: medicine, pharmaceutics.

SUBSTANCE: invention refers to a compound of formula in which R¹ means hydrogen or alkyl with 1-4 carbon atoms, R² means hydrogen and L means an alkandiyl group with 1-4 carbon atoms, one CH₂-group in which can be substituted by with oxygen atom or a group of formula: or in which * means a conjunction with nitrogen atom, R³ means hydrogen, methyl, propane-2-yl, propane-1-yl, imidazol-4-ylmethyl, hydroxymethryl or 4-aminobutan-4-yl, or R³ is connected with R¹ together with which forms (CH₂)₃- or (CH₂)₄- -group, R⁴ means hydrogen or methyl, R⁵ means alkyl with 1-4 carbon atoms, and R⁶ means hydrogen or alkyl with 1-4 carbon atoms, and also to its salt and to a method of preparing it.

EFFECT: there are prepared new compounds which can find application in medicine for treating and/or preventing diseases, first of all thromboembolic diseases.

5 cl, 4 tbl, 23 ex