Abstract
The structure of the alkaloid (+)-tuberine, isolated from
Haplophyllum tuberculatum, has been revised to
N-benzoyl-4′-[(2″
S,3″
R,6″
R)-(+)-7″-acetoxy-2″-hydroxy-3″,7″-dimethyl-3″,6″-epoxyoctyloxy]-phenethylamine on the basis of an X-ray crystallographic study.