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|Title:||Phytochemical studies on stemona plants: Isolation of new tuberostemonine and stemofoline alkaloids|
Stephen G. Pyne
Alison T. Ung
Morwenna C. Williams
|Keywords:||Agricultural and Biological Sciences|
Pharmacology, Toxicology and Pharmaceutics
|Abstract:||Two new tuberostemonine alkaloids, tuberostemonine L (3) and tuberostemonine M (4) and a new stemofoline alkaloid, (3'S)-hydroxystemofoline (5), along with two known alkaloids, (2'S)-hydroxystemofoline (1) and neotuberostemonine (2) have been isolated from a root extract of an unidentified Stemona species (Stemona sp.). The structure and relative configuration of these new alkaloids has been determined by spectral data interpretation, while the 3'S configuration of 5 was determined from NMR analysis of its (R)- and (S)-Mosher esters.|
|Appears in Collections:||CMUL: Journal Articles|
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