Synthesis and evaluation of novel 2-substituted-quinazolin-4(3H)-ones as potent analgesic and anti-inflammatory agents

Archiv der Pharmazie
Bilal Ahmad RatherPerumal Paneerselvam

Abstract

A novel series of 2-substituted-quinazolin-4(3H)-ones were synthesized by reacting 3,5-disubstituted-anthranilic acid with acetic anhydride/benzoyl chloride, which were further reacted with different primary amines to obtain 2,6,8-substituted-quinazolin-4(3H)-ones 6a-f, 7, 8. All the synthesized compounds were characterized and screened for analgesic and anti-inflammatory activities. Compounds 6,8-dibromo-2-phenyl-3-(4'-carboxyl phenyl)quinazolin-4(3H)-one 7 and 6,8-dibromo-2-phenyl-3-(2'-phenylethanoic acid)quinazolin-4(3H)-one 8 displayed good analgesic and anti-inflammatory activity in comparison to the reference standards acetyl salicylic acid and indomethacin, respectively.

References

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