
%0 Journal Article
%A Arbain, Dayar 
%A Byrne,, Lindsay T. 
%A Dachriyanus, 
%A Evrayoza, Noversa 
%A Sargent, Melvyn V. 
%T Bracteatine, a Quaternary Glucoalkaloid from <emph type="2">Ophiorrhiza bracteata</emph>
%J Australian Journal of Chemistry
%D 1998/01/13
%V 50
%N 11
%P 1111-1112
%K 
%R https://doi.org/10.1071/C97055
%U https://www.publish.csiro.au/paper/C97055 
%X Extraction of the aerial parts of Ophiorrhiza bracteata Bl. (Rubiaceae) has yielded the known quaternary indole alkaloid ophiorrhizine (1) and the new glucoindole alkaloid bracteatine (2), the structure of which followed from its spectroscopic properties. 
