Methdilazine (Dilosyn, Tacaryl) is a

first-generation antihistamine H1 antagonists, also called H1 blockers, are a class of medications that block the action of histamine at the H1 receptor, helping to relieve allergic reactions. Agents where the main therapeutic effect is mediated by negative modulation of ...

with

anticholinergic Anticholinergics (anticholinergic agents) are substances that block the action of the neurotransmitter called acetylcholine (ACh) at synapses in the central and peripheral nervous system. These agents inhibit the parasympathetic nervous syste ...

properties of the

phenothiazine Phenothiazine, abbreviated PTZ, is an organic compound that has the formula S(C6H4)2NH and is related to the thiazine-class of heterocyclic compounds. Derivatives of phenothiazine are highly bioactive and have widespread use and rich history. ...

class.

Synthesis

References

* * * The ring-contracted analog, methdilazine shows only very weak activity as a tranquilizer; instead, that agent constitutes an important antihistamine. Phenothiazines Pyrrolidines H1 receptor antagonists {{respiratory-system-drug-stub

Synthesis

See also

References