In order to expand the theoretical basis of the purposeful search of analeptics, the awakening and antihypoxic properties of heteroside-21, heteroside-31 (derivatives of sulfur- and nitrogen-containing heterocycles) were studied and the mechanisms of their action were established. Sodium thiopental (42 mg/kg) was used to simulate suppression of the respiratory and vascular centers of the brain. The comparison drugs were – sulfocamphocaine (SCC) with combined analeptic action (20 mg/kg) and the antihypoxic drug piracetam (300 mg/kg). The results were obtained on the models of thiopental anesthesia and normobaric hypoxia with hypercapnia. The analysis of data allowed to count qualitatively and quantitatively the arousing and antihypoxic activity of new substances and classical drugs; their effect on the respiratory center of the brain and behavioral responses of animals; theoretically substantiate, experimentally confirm and establish aerobic, anaerobic and detoxification mechanisms of realization of effects in various conditions; to formulate the theoretical bases of purposeful search of universal analeptics and antihypoxic drugs and offer an instrumental-methodological complex for their experimental reproduction.
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