Christian Bäcker et al.
Zeitschrift fur Naturforschung. C, Journal of biosciences, 69(5-6), 191-198 (2014-07-30)
Three new acylated R1-barrigenol triterpene glycosides, 1-3, were isolated from the seeds of Pittosporum angustifolium Lodd. together with four known glycosides, 4-7, containing R1- and A1-barrigenol backbones. On the basis of spectroscopic, spectrometric, and chemical analyses the novel compounds were