SYNTHESIS AND BIOLOGICAL EVALUATION OF 3, 5- DISUBSTITUTED-1,2,4-OXADIAZOLES AS ANTIHISTAMINIC AGENTS
Sanmati K. Jain* and Jyotsana Nandan
ABSTRACT
Ten 3,5-Disubstituted-1,2,4-oxadiazoles were prepared in four steps by
using 4-hydroxybenzonitrile as starting material. These compounds
were tested for their antihistaminic activity. The compound JN 7
exhibited maximum activity while other compounds were found
moderately active in ex vivo studies on field stimulated guinea pig
ileum segments induced by (R)-α-methylhistamine.
Keywords: Antihistaminic agents, 1,2,4-Oxadiazoles.
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