Bracteatine, a Quaternary Glucoalkaloid from Ophiorrhiza bracteata

Australian Journal of Chemistry
1997.0

Abstract

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.

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