Reaction of anthranilic acid amides with cyclic anhydrides

Article abstract of DOI:10.1134/S1070428006030079

Anthranilic acid amide reacts with cyclic anhydrides to give the corresponding N-acyl derivatives at the amino group, while analogous reactions of o-aminobenzohydroxamic acid lead to formation of 3-hydroxyquinazolin-4-ones under mild conditions. N-Acyl derivatives of anthranilic acid amide undergo intramolecular cyclization to imides on microwave irradiation or on melting, and their treatment with acetic anhydride in the presence of sodium acetate on heating yields quinazolin-4-ones. Pleiades Publishing, Inc., 2006.

Full text of DOI:10.1134/S1070428006030079

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