(1) To whom correspondence should be addressed: Department of Chemistry, Wayne State University, Detroit, Mich. 48202. neither a commercial product nor is it accessible in good yield from any readily available plant source. The racemic alkaloid has been synthesized; 2* 3 the described procedure is of little practical utility, however, the final Pschorr cyclization step (employing diamine 11) proceeding in only 2.5%~ ield.~~~~ Since we required a ...