Imbiline 1 (la), a constituent of Eupomatia species, was synthesized from 4-methoxy-1-naphthylamine hydrochloride (8) in seven steps. A reaction of aldehydes and methyl methylthiomethyl sulfoxide was also studied. (C) 2003 Elsevier Science Ltd. All rights reserved.
Synthesis of imbiline 1, a tetracyclic aza-aromatic alkaloid