T. Harayama et al., A CONVENIENT SYNTHESIS OF BENZO[C]PHENANTHRIDINE ALKALOID, CHELERYTHRINE, BY THE PALLADIUM-ASSISTED INTERNAL BIARYL COUPLING REACTION, Chemical and Pharmaceutical Bulletin, 44(8), 1996, pp. 1634-1636
Total synthesis of chelerythrine, a benzo[c]phenanthridine alkaloid, w
as accomplished via the internal aryl-aryl coupling reaction of halo-a
mide (4) by the palladium-assisted cyclization reaction.