Five new norditerpenoid alkaloids from Aconitum sinomontanum.

J Asian Nat Prod Res. 2001; 3(1):15-22.JA

From the roots of Aconitum sinomontanum, five new norditerpenoid alkaloids, sinomontanitines A (1) and B (2), sinomontanines A (3), B (4) and C (5), were isolated together with the known alkaloids lappaconitine (6) and ranaconitine (7), The structures of the new alkaloids were determined by spectral analysis.