FIELD: medicine, and explosive compositions and powders. SUBSTANCE: present invention describes succinic acid derivatives of formula 1 wherein A is OR1, NR2R3 or substituted lower alkyl; B is C(O)OR4,, phenyl substituted by acetylamino group; lower alkyl substituted by nicotinoylamino group, dialkylglyoxime residue substituted by nitroxyethoxysuccinyl group; C(O)R5,, C(O)NHCH2CH2ONO2, in which R1-R5 are as defined in application documents. The present invention also describes method of preparing said compounds, intermediate compounds of formula 2 for synthesis of said compounds, and method of preparing intermediate compounds. Succinic acid derivatives of formula 1 have coronarodilatotoric effect. Besides, they are useful as components of explosives and powders. EFFECT: improve properties of the title compounds. 5 cl, 38 ex 
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1998 |
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