The drug methamphetamine is a powerful stimulant that has a powerful effect on the central nervous system. Methamphetamine is considered to be one of the most dangerous drugs, which can lead to serious health consequences and even death. Under other names, it is known...
Morphinane is a condensed heterocyclic system (phenanthrenisoquinoline) consisting of a partially hydrogenated (reduced) aromatic core of phenanthrene, some of the cycles of which simultaneously constitute tetrahydroisoquinoline. Morphinane is a condensed heterocyclic...
Given the centuries-long history of the use of opium and its alkaloids, it was only in 1973 that the presence of membrane receptors called “opioid receptors” in the CNS was experimentally proven. A little later, the first substance that stimulates...