Studies on the alkaloids from Picrasma quassioides Bennet. VII. Structures of .BETA.-carboline dimer alkaloids, picrasidines-H and -R.
Chemical and Pharmaceutical Bulletin
1986.0
Abstract
Two new β-carboline dimer alkaloids, picrasidines-H (1) and -R (2), have been isolated from the root bark of Picrasma quassioides BENNET (Simaroubaceae). The structures were determined on the basis of spectral analysis.
