5 Result(s)
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Article
Guo-**n Jiang
Life Sciences
Bioorganic Chemistry
Pharmacology/Toxicology
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Article
Open AccessNew Iboga-Type Indole Alkaloids from Tabernaemontana divaricata
Two hitherto unknown iboga-type indole alkaloids, namely (3R)-7,19-di-epi-3-methoxytabernoxidine (1) and (3R,19R)-19-hydroxy-3-(2-oxopropyl)voacangine (2), together with eight known alkaloids (3–10), were isolate...
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Article
Open AccessAristolane-type Sesquiterpenoids from Nardostachys chinensis and Revised Structure of Aristolanhydride
Four hitherto unknown aristolane-type sesquiterpenes, including one novel 8,9-secoaristolane, namely secoaristolenedioic acid (1), two aristolone derivatives, namely 1α,2β-dihydroxyaristolone (2), 9-epidebilon (3
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Open AccessIndole Alkaloids Inhibiting Neural Stem Cell from Uncaria rhynchophylla
Uncaria rhynchophylla is commonly recognized as a traditional treatment for dizziness, cerebrovascular diseases, and nervous disorders in China. Previously, the neuro-protective activitie...
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Open AccessChemical Constituents from the Stems of Manihot esculenta
Two new compounds, maniesculentins A (1) and B (6), together with four known ones were isolated from the stems of Manihot esculenta Crantz. The structures of the new compounds were elucidated by extensive spectro...
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Open AccessDaphmacrodins A and B, alkaloids from Daphniphyllum macropodum
Two new daphnicyclidin-type Daphniphyllum alkaloids, daphmacrodins A and B (1 and 2) were isolated from the leaves and stems of Daphniphyllum macropodum. Their structures were elucidated by extensive spectroscopi...
