Alkaloids of Daphnandra johnsonii

Abstract

Three new biscocla urine alkaloids, johnsonine (1), N-methylapateline (12) and N-methylnorapateline (13), have been isolated from the recently described species D. johnsonii. This rare plant also contains the alkaloids repandinine (a), O-methylrepandine (3), nortenuipine (6) and repandine (2), previously isolated from other Daphnandra spp.