Event submissions
N-substituted 4-quinolones can be obtained in good yields via intramolecular amine exchage reaction from N-substituted (E)-1-(2-aminophenyl)-3-(dimethylamino)prop-2-en-1-ones or, alternatively, from (E)-1-(2-aminophenyl)-3-(dimethylamino)prop-2-en-1-one through intramolecular amine exchange/N-benzylation. Both strategies can lead to N-(2-halobenzyl)-4-quinolones, functionalized substrates which could undergo further transformations to provide interesting polyheterocycles.