Phototriggered Ketone Formation from an Aminocyclopropenone and a Carboxylic Acid.

A novel phototriggered functionalization reaction of a carboxylic acid using an aminocyclopropenone has been developed. Irradiation of an aminocyclopropenone and carboxylic acid mixture generated ketones that possessed substituents from both the carboxylic acid and the aminocyclopropenone. This reaction occurred through two distinct phototriggered processes. Using this reaction, substituents in an aminocyclopropenone can be connected with a carboxylic acid containing molecule.