Abstract The synthesis of N-acetyl-α-aminobutyric acid by amidocarbonylation of propionaldehyde with acetamide in the presence of palladium catalysts is studied in detail. The influence of various reaction conditions and compositions (eg, the co-catalysts acid and bromide) on the yield of N-acetyl-α-aminobutyric acid is shown. For the first time it is demonstrated that the palladium-catalyzed amidocarbonylations of aldehydes can be run ...