Studies on antianaphylactic agents. 5. Synthesis of 3-(1H-tetrazol-5-yl)chromones, a new series of antiallergic substances

Abstract

A number of 3-(1H-tetrazol-5-yl)chromones were synthesized and found to have antiallergic activity in the rat passive cutaneous anaphylaxis (PCA) test. These compounds are active when administered orally in rats and of possible value for the treatment of asthma.