Green synthesis of novel compounds 4-(2-carboxybenzamido)-2-hydroxybenzoic acids 3a-3e, 4-(1, 3-
dioxoisoindolin-2-yl)-2-hydroxybenzoic acids 4a-4e, 2-acetoxy-4-(2-carboxybenzoylamino)benzoic acids 6a-6e and 2-
acetoxy-4-(1, 3-dioxo-1, 3-dihydroisoindol-2-yl)-benzoic acids 8a-8e has been developed which were analogs of aspirin
(used as analgesic, anti-pyretic and cardiovascular drug) and para-aminosalicylic acid ( used as anti-tuberculosis agent).
Keywords: Phthalic anhydrides, p-aminosalicylic acid, analgesic, antipyretic & anti-tuberculosis agents.
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