M. Treu, U. Jordis:
"(4aS,6R,8aS)-4a,5,9,10,11,12-hexahydro-6H-benzofuro[3a,3,2,-ef][2 ]benzazepine-3,6-diol (Norsanguinine)";
Molecules, 6 (12) (2001), 274.
(-)-Norsaguinine was synthesized via O-demethylation of norgalanthamine by refluxing in THF for 24 h using L-Selectride.
AN 2002:114583