2013
DOI: 10.1016/j.phytochem.2013.09.027
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Lupane, friedelane, oleanane, and ursane triterpenes from the stem of Siphonodon celastrineus Griff

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Cited by 21 publications
(9 citation statements)
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“…Sterols are routinely discovered in phytochemical assays (e.g. Kaweetripob et al ., ) of Celastraceae. However, because Pseudocatha mandenensis , Maurocenia frangula and Cassine parviflora , have not previously been assayed for sterols the compounds annotated here maybe undescribed molecules.…”
Section: Resultsmentioning
confidence: 99%
“…Sterols are routinely discovered in phytochemical assays (e.g. Kaweetripob et al ., ) of Celastraceae. However, because Pseudocatha mandenensis , Maurocenia frangula and Cassine parviflora , have not previously been assayed for sterols the compounds annotated here maybe undescribed molecules.…”
Section: Resultsmentioning
confidence: 99%
“…Stewartiacids K (11) and L (12) are uncommon ursane-type triterpene and phenylpropanol hybrids by forming a unique 1,4-dioxane bridge. 26,32 The absolute congurations of compounds 1-9 and 12 were well established either by single crystal X-ray diffraction or by ECD analyses. The absolute congurations of the rest new stewartiacids (i.e., 10, 11, 13, and 14) are still open; however, they could be assigned as shown in both Fig.…”
Section: Discussionmentioning
confidence: 99%
“…Interestingly, the formation of the 1,4-dioxane rings in compounds 11 and 12 has been considered to be resulted via a free radical coupling reaction. 26 Stewartiacid M (13) has the same molecular formula (C 30 H 44 O 6 ) as compound 9 based on the HRESIMS and 13 C NMR Table 1). The NMR spectroscopic data of 14 showed a high similarity to camellisin C, which has been previously reported from the roots of Camellia sinensis.…”
Section: Rsc Advances Papermentioning
confidence: 99%
“…Sesquiterpenes, sesquiterpene alkaloids, triterpenes and sterols have been isolated from the fruit, root bark and stem of SCe. [36][37][38][39] Coumarins and triterpenes have been reported in the extracts of the leaf and bark of MM. 40,41 Since the antiplasmodial property and active compounds of SCe and MM plants have not previously been investigated and extensive study is required for the separation, purification and characterization of its active compounds, so that in-deep studies for the promising antiplasmodiall molecules from the stem bark of MM and SCe could be conducted.…”
Section: Antiplasmodial Activitymentioning
confidence: 99%