FIELD: organic chemistry, medicine, pharmacy.
SUBSTANCE: invention describes compounds of the general formula (I) 
wherein radical values are given in the invention claim that are novel histamine receptors antagonist. Preferable compound is 3-[2-[4-(11,12-dihydro-6H-benzimidazo]2,1-b][3]benazepin-6-yl)-2-(phenylmethyl)-1-piperidinyl]ethyl]-2,10-dimethylpyrimido[1,2-α]benzimidazole-4(10H)-one or its salts, isomers and N-oxides. Proposed compounds are useful in prophylaxis and treatment of increased intracranial pressure and/or secondary ischemia caused by craniocerebral trauma.
EFFECT: valuable medicinal properties of compounds, improved method of synthesis.
13 cl, 13 tbl, 5 dwg, 14 ex
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