NOVEL POLYHYDROXYPYRAZINE DERIVATIVES, PHARMACEUTICAL COMPOSITIONS CONTAINING SAME AND THEIR PRODUCING
The invention concerns novel derivatives offormula (I) wherein: R1 represents the stereoisomeric forms of the chain -(CHOH)3-CH2-O-COR (II) and either R2 represents a hydrogen atom and R3 represents the stereoisomeric forms of the chain -CH2-(CHOH)2-CH2-O-COR (III) or R2 represents the stereoisomeri...
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Zusammenfassung: | The invention concerns novel derivatives offormula (I) wherein: R1 represents the stereoisomeric forms of the chain -(CHOH)3-CH2-O-COR (II) and either R2 represents a hydrogen atom and R3 represents the stereoisomeric forms of the chain -CH2-(CHOH)2-CH2-O-COR (III) or R2 represents the stereoisomeric forms of the chains -(CHOH)3-CH2-O-COR (II) or -CH2-(CHOH)2-CH2-O-COR (III) and R3 represents a hydrogen atom and R represents -(Alk)1-(Cycloalk) radical; i is equal to 0 or 1; Alk represents and alkyl radical, Cycloalk represents a cycloalkyl radical, and their salts with a inorganic or organic acid, their preparation and the medicines containing as active principle at least a product of general formula (I) or its salts with a inorganic or organic acid. |
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