where: R1 means C1-6-alkoxy-, alkenyloxy-, alkynyloxy-, cycloalkyloxy-, aryloxy-, aralkyloxy-, hydroxyl, nitro-, cyano-, formyl, C1-6-acyl or C1-6-alkylcyano-group, or halogen atom; R2 means C1-6-alkyloxy-, alkenyloxy-, alkynyloxy-, cycloalkyloxy-, aryloxy-, aralkyloxy- or hydroxyl group; R1 and R2 together form alkylenedihydroxy-group, and R3 and R4 mean C1-6-alkyl group. Synthesized compounds show pharmacological activity. Invention relates to also pharmaceutical compositions containing compounds of the formula (I) and methods of preparing these pharmaceutical compositions. EFFECT: higher efficiency."/>
METHOD OF SYNTHESIS OF BENZOPYRANE DERIVATIVES (VARIANTS), METHOD OF SYNTHESIS OF CHROMANONE DERIVATIVES (VARIANTS), DERIVATIVES OF BENZOPYRANE AND CHROMANONE, PHARMACEUTICAL COMPOSITION AND METHOD OF ITS PREPARING
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METHOD OF SYNTHESIS OF BENZOPYRANE DERIVATIVES (VARIANTS), METHOD OF SYNTHESIS OF CHROMANONE DERIVATIVES (VARIANTS), DERIVATIVES OF BENZOPYRANE AND CHROMANONE, PHARMACEUTICAL COMPOSITION AND METHOD OF ITS PREPARING
METHOD OF SYNTHESIS OF BENZOPYRANE DERIVATIVES (VARIANTS), METHOD OF SYNTHESIS OF CHROMANONE DERIVATIVES (VARIANTS), DERIVATIVES OF BENZOPYRANE AND CHROMANONE, PHARMACEUTICAL COMPOSITION AND METHOD OF ITS PREPARING
FIELD: organic chemistry. SUBSTANCE: product: benzopyrane derivatives of the formula (I) where: R1 means C1-6-alkoxy-, alkenyloxy-, alkynyloxy-, cycloalkyloxy-, aryloxy-, aralkyloxy-, hydroxyl, nitro-, cyano-, formyl, C1-6-acyl or C1-6-alkylcyano-group, or halogen atom; R2 means C1-6-alkyloxy-, alkenyloxy-, alkynyloxy-, cycloalkyloxy-, aryloxy-, aralkyloxy- or hydroxyl group; R1 and R2 together form alkylenedihydroxy-group, and R3 and R4 mean C1-6-alkyl group. Synthesized compounds show pharmacological activity. Invention relates to also pharmaceutical compositions containing compounds of the formula (I) and methods of preparing these pharmaceutical compositions. EFFECT: higher efficiency.
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