Abstract

Microwave Assisted One Pot Dry Media Synthesis of 4H-Benzo [1, 3] Oxazin- 4-Ones from Isatoic anhydride

Author(s): Rajyashree Chakravorty, Reenu Sirohi, Monika Shorey and D. Kishore

A facile one pot microwave assisted protocol has been developed for the synthesis of 4Hbenzo[ 1, 3]oxazin-4-ones (3a-g) from isatoic anhydrides (1a-g). MW irradiation of a mixture of isatoic anhydride (1a-g) and acetic anhydride over the basic alumina support produced benzoxazin-one (3a-g) in excellent yield.


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