Synthesis of eupomatidines 1, 2 and 3 and related compounds including iminoquinolinequinone structure

Article abstract of DOI:10.1016/S0040-4020(97)00293-7

Three aromatic alkaloids, eupomatidines 1 (1), 2 (2), and 3 (3), and two elated compounds (27, 28) were synthesized from (6-methoxy-)1,4-naphthoquinone by hetero Diels-Alder reaction with (2-methoxy-)2-butenal dimethylhydrazone.