17948-42-4

This monoterpenoid alkaloid occurs in Alstonia venenata, being present in the fruit to the extent of 0.0008 per cent. The earlier structure based upon the infra_x0002_red and NMR spectra has recently been modified to that given above, determined from ORO-CD data and comparison with L-( - )-Actinidine.

Ray, Chatterjee., Tetrahedron Lett., 2763 (1968)
Mitscher, Ray, Chatterjee., Experientia, 27, 16 (1971)