Cycloartane triterpenoids from Pseudolarix amabilis and their antiviral activity.
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DOI: 10.1016/j.phytochem.2019.112229
Abstract: Seven undescribed cycloartane triterpenoids, pseudolarnoids A-G, together with ten known ones, were isolated from the seeds of Pseudolarix amabilis (J. Nelson) Rehder. Their structures were elucidated on the basis of spectroscopic analysis, X-ray crystallography, and… read more here.
Keywords: pseudolarix amabilis; antiviral activity; cycloartane; triterpenoids pseudolarix ... See more keywords
Unusual 28, 29-nor-9, 19 cycloartane triterpenoids from Chinese medical plant Streptocaulon griffithii Hook
Sign Up to like & getrecommendations! Published in 2017 at "Phytochemistry Letters"
DOI: 10.1016/j.phytol.2017.10.014
Abstract: Abstract Phytochemical investigation of the root of Streptocaulon griffithii Hook (Asclepiadaceae) led to the isolation of three unusual novel triterpenoids, 28, 29-nor-3β, 4β-dihydroxyl-9, 19-cycloartan-26-acid (1), 28, 29-nor-3β, 4β-dihydroxyl-9, 19-cycloartan- 26-acid methylester (2), a 30-nor-lupeol derivative… read more here.
Keywords: unusual cycloartane; streptocaulon griffithii; cycloartane triterpenoids; griffithii hook ... See more keywords