Abstract

AbstractThe alkaloid picrasidine‐G was isolated from Picrasma quassioides. This alkaloid has previously been reported as a new natural product, but its 13C NMR signals still remain unassigned and some ambiguities remains in the proton assignments. Analysis of the 1H and 13C NMR spectra and 1 D NOE and 2D NMR spectra led to the unambiguous assignment of the 1H and 13C signals of picrasidine‐G.

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