Abstract The synthesis of enaminecarbaldehydes 1a–s and 17a–c as well as enamino ketones 2a–k, and their N-acyl derivatives 19a–k and 21–t with electron accepting substituents at C-2 and at the CO group, respectively, is described. Condensation of methyl 2-formyl-3-oxopropanoate (13) with ammonia and the amines 14b–s gave the enaminecarbaldehydes 1a and 1b–s, respectively, in 72–93% yield. The ...
