Process for the preparation of acetoacetylarylamides and -heteroarylamides of deactivated aromatics

Abstract From the Canadian patent

Process for the preparation of acetoacetylarylamides and -heteroarylamides of deactivated aromatics and hetero-aromatics, in which 1 mole of an amine of the formula in which X and Y each denote CH or one of the two ring members X and Y represents a nitrogen atom R denotes a, hydrogen or halogen atom, an alkyl .beta.-hydroxyethyl, benzyl or optionally substituted phenyl group and A denotes a fused-on benzene ring, the isocyclic or hetero-cyclic 6-membered ring being substituted by 1 or 2 further substituents and it being possible for the benzene ring A to be substituted by 1 to 3 substituents is , reacted with 1 to 1.2 moles of diketene at temperatures of 20 to 100°C, in glacial acetic …