Alkaloids of Root-bark of Orixa japonica THUNB. XII. Nuclear Magnetic Resonance Study of N-Methylorixidinine, N-Methylisoorixidinine, and N-Methylorixidine.
著者所属：Women's Department, Tokyo College of Pharmacy Women's Department, Tokyo College of Pharmacy Faculty of Pharmaceutical Sciences, University of Tokyo
The structures of N-methylorixidinine, N-methylisoorixidinine and N-methylorixidine have been verified by NMR analysis. In addition, the conformation of the substituents on dihydrofuran ring was discussed, based on the relationship between the dihedral angle and the spin coupling constant.
