Naphthylisoquinoline alkaloids from Ancistrocladus cochinchinensis

1997 alkaloids U 0600

44 - 245

alkaloids

Naphthylisoquinoline Alkaloids from Ancistrocladus cochinchinensis. — The structures of six new alkaloids (I)-(III), isolated from the leaves of title plant in addition to known ancistrocladinine, are determined by spectroscopic analysis and chemical degradation. The absolute configuration at the biaryl axes are (M)-configuration in (I), (II), and (IIIb) and (P)-configuration in (IIIa) and (IIIc). — (NGUYEN HOANG ANH; PORZEL, A.; RIPPERGER, H.; BRINGMANN, G.; SCHAEFFER, M.; GOD, R.; TRAN VAN SUNG; ADAM, G.; Phytochemistry 45 (1997) 6, 1287-1291; Inst. Org. Chem., Univ. Wuerzburg, D-97074 Wuerzburg, Germany; EN)

1