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Memantine, sold under the brand name Namenda among others, ... (PCP)-like effects in animals and humans at sufficiently high doses. [64] [65] [66] ...
Memantine (1-amino-3,5-dimethyladamantane) is an aminoalkyl cyclohexane derivative and an atypical drug compound with non-planar, three dimensional tricyclic structure. Figure 8 shows SAR for aminoalkyl cyclohexane derivative. Memantine has several important features in its structure for its effectiveness:
NMDA receptor antagonists induce a state called dissociative anesthesia, marked by catalepsy, amnesia, and analgesia. [1] Ketamine is a favored anesthetic for emergency patients with unknown medical history and in the treatment of burn victims because it depresses breathing and circulation less than other anesthetics.
Olney's lesions, also known as NMDA receptor antagonist neurotoxicity (NAT), is a form of brain damage consisting of selective death of neurons but not glia, observed in restricted brain regions of rats and certain other animal models exposed to large quantities of psychoactive drugs that inhibit the normal operation of the neuronal NMDA receptor.
3-Methoxyphencyclidine (3-MeO-PCP) is a dissociative hallucinogen of the arylcyclohexylamine class related to phencyclidine (PCP) which has been sold online as a designer drug. [ 1 ] [ 2 ] [ 3 ] It has been used across Europe and the United States .
4-Methoxyphencyclidine (methoxydine, 4-MeO-PCP) is a dissociative anesthetic drug that has been sold online as a research chemical. The synthesis of 4-MeO-PCP was first reported in 1965 by the Parke-Davis medicinal chemist Victor Maddox. [ 1 ]
Like memantine, nitromemantine is a low-affinity voltage-dependent uncompetitive antagonist at glutamatergic NMDA receptors, however nitromemantine selectively inhibits extrasynaptic NMDA receptors while sparing normal physiological synaptic NMDA receptor activity, resulting in less side effects and a greater neuroprotective action, as well as stimulating regrowth of synapses with prolonged ...
PCP itself is composed of three six-membered rings, which can each be substituted by a variety of groups. These are traditionally numbered in the older research as first the cyclohexyl ring, then the phenyl , and finally the piperidine ring, with the different rings represented by prime notation (') next to the number.