Abstract
Herein, we report a new, facile, versatile metal-free method for preparation of the various Acridones through an intramolecular carbonylation of 2-(phenylamino)benzoic acid derivatives and phenylboronic acid derivatives as activating agent for activation of carboxylic acid group in intramolecular CC bond formation through Friedel–Crafts reaction. The reaction proceeds under solvent-free conditions, tolerates a wide range of functional groups, and provides rapid access to a range of the Acridones in good to excellent yields.
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