A New Ent-Kaurane from the Roots of Lasianthaea aurea
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DOI: 10.1007/s10600-021-03357-3
Abstract: A known kaurenoic acid (1), together with a new kaurane derivative named 3α-isobutyryloxykaurenoic acid (2), was isolated from the roots of Lasianthaea aurea, a plant endemic to Mexico. The compounds were characterized using their physical… read more here.
Keywords: kaurane roots; roots lasianthaea; new ent; ent kaurane ... See more keywords
Cytotoxic abietane and kaurane diterpenoids from Celastrus orbiculatus
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DOI: 10.1007/s11418-019-01326-3
Abstract: Celastrus orbiculatus is a medicinal plant belonging to the Celastraceae family. In this survey on the secondary metabolites of plants for obtaining antitumor substances, the chemical constituents of the stems of C. orbiculatus were investigated.… read more here.
Keywords: celastrus orbiculatus; diterpenoids celastrus; kaurane diterpenoids; kaurane ... See more keywords
New ent-Kaurane and cleistanthane diterpenoids with potential cytotoxicity from Phyllanthus acidus (L.) Skeels.
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DOI: 10.1016/j.fitote.2022.105133
Abstract: Six diterpenoids including three ent-kauranes (1-2, 4) and three cleistanthanes (3, 5-6) were isolated from the roots and stems of Phyllanthus acidus (L.) Skeels. Of them, (16S)-ent-16,17,18-tri-hydroxy-19-nor-kaur-4-en-3-one (1), phyllanthone A (2), and 6-hydroxycleistanthol (3) are… read more here.
Keywords: new ent; phyllanthus acidus; kaurane; acidus skeels ... See more keywords
A new ent-kaurane diterpene from Euphorbia stracheyi Boiss
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DOI: 10.1080/14786419.2016.1222385
Abstract: Abstract The chemical investigation of whole plants Euphorbia stracheyi Boiss from China led to the isolation of one new ent-kaurane diterpene, ent-Kaurane-16β,17,19-triol-3-one (1), along with three known ent-kaurane diterpenoids (2–4) as ent-Kaurane-3α,16β,17-triol (2)，ent-16S,17-dihydroxy-kaurane-3-one (3) and… read more here.
Keywords: new ent; stracheyi boiss; kaurane; ent kaurane ... See more keywords
Caracasine, an ent-kaurane diterpene with proapoptotic and pro-differentiator activity in human leukaemia cell lines.
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DOI: 10.2174/1871520622666220415105615
Abstract: BACKGROUND Kaurane-type diterpenoids, obtained from various natural sources, have shown many biological activities, including anti-inflammatory and antitumor effects. Caracasine (Fig 1), an ent-kaurane diterpenoid isolated from the flowers of Croton micans, was shown to induce… read more here.
Keywords: cell; jurkat; kaurane; leukaemia cell ... See more keywords