This alkaloid was first isolated from the fruit of Daphniphyllum macropodum, being present in the MeOH extract after chromatography on an alumina column. It has since been obtained from other Daphniphyllum species, particularly D. humila and D. teijsmanni.
Toda et al., Tetrahedron Lett., 2585 (1969)
Toda et al., Tetrahedron, 30, 2683 (1974)
