AGENTS AGAINST FEEBLE-MINDEDNESS COMPRISING DERIVATIVES OF 2-ARYL-8-OXODIHYDROPURINE AS ACTIVE COMPONENT Russian patent published in 2006 - IPC C07D473/00 A61K31/522 A61P25/28 

FIELD: organic chemistry, neurology, medicine.

SUBSTANCE: invention relates to a new medicinal agent used in treatment of feeble-mindedness comprising a derivative of 2-aryl-8-oxodihydropurine, namely, a derivative of 2-aryl-8-oxodihydropurine that comprises acetamide group at position 7 or 9 of purine ring. Invention proposes compounds of formulae (Ia) and (Ib) wherein radicals X¹, Y¹, R¹², R¹³, R²², R²³, R³², R⁴² and R⁴³ have the corresponding values, or their pharmaceutically acceptable acid-additive salt. Also, invention proposes using compounds of the formulae (Ia) and (Ib) or their pharmaceutically acceptable acid-additive salt for preparing a medicinal agent used in treatment or prophylaxis of feeble-mindedness wherein feeble-mindedness represents deterioration of the teaching process, dysmnesia, dysmnesia-based disorientation, mental dysfunction, Alzheimer's disease, cerebrovascular feeble-mindedness and/or senile feeble-mindedness, and in treatment or prophylaxis of higher cerebral dysfunction. Invention provides the development of a medicinal preparation for prophylaxis or treatment of feeble-mindedness symptoms associated with diseases that can induce feeble-mindedness and higher cerebral dysfunction.

EFFECT: valuable medicinal properties of agents.

12 cl, 3 tbl, 5 ex