CLASSIFICATION OF ANTIHISTAMINES DRUGS
by 1. H1-Antagonists with classical structures According to the chemical features, they are further classified as follows: a. Ethylene diamine derivatives b. Amino alkyl ether analogues …
Category: M Unit I
STRUCTURE-ACTIVITY RELATIONSHIP – H1 RECEPTOR ANTAGONISTS
The structure-activity relationship (SAR) for H1 receptor antagonists, commonly known as antihistamines, involves understanding how the chemical structure of a compound influences its pharmacological activity …
ANTIHISTAMINES
INTRODUCTION Histamine, [2-(imidazol-4-y1) ethylamine], which is biosynthesized by decarboxylation of the essential amino acid histidine, is found in all organs and tissues of the human …