Abstract
N-arylimides of trans-aconitic acid were prepared by boiling the acid in a glacial acetic acid with N-arylamines. N-Arylamides of the trans-aconitic acid were obtained as intermediates in the course of the synthesis of the corresponding imides. The condensation of the trans-aconitic acid amides with hydrazine afforded arylamides of 1-amino-2,6-dioxo-1,2,3,6-tetrahydropyridine-4-carboxylic acid and proved the cis configuration of the initial amides.
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