Abstract
Abstract Three aromatic alkaloids, eupomatidines 1 (1), 2 (2), and 3 (3), and two related compounds (27, 28) were synthesized from (6-methoxy-)1,4-naphthoquinone by hetero Diels-Alder reaction with (2-methoxy-)2-butenal dimethylhydrazone. © 1997 Elsevier Science Ltd.
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