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Chemical Composition and Acetylcholinesterase Inhibitory Activity of Essential Oils from Piper Species.
The essential oils (EOs) derived from aromatic plants such as Piper species are considered to play a role in alleviating neuronal ailments that are associated with inhibition of acetylcholinesteraseExpand
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Chalcane-stilbene conjugates and oligomeric flavonoids from Chinese Dragon's Blood produced from Dracaena cochinchinensis.
A detailed chemical investigation of Chinese Dragon's Blood, which is a traditional medicine produced form the red resin of Dracaena cochinchinensis, yielded two chalcane-stilbene conjugates, namedExpand
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Cucurbitane-type triterpenoids from the stems and leaves of Momordica charantia.
Six new cucurbitane-type triterpenoids, karavilagenin F (1), karavilosides XII and XIII (2, 3), momordicines VI, VII, and VIII (4, 5 and 6), along with four known ones,Expand
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Lyonin A, a New 9,10‐Secograyanotoxin from Lyonia ovalifolia
Phytochemical studies on the branches and leaves of Lyonia ovalifolia yielded a new grayanane diterpenoid, lyonin A (1), together with two known compounds, secorhodomollolides A and D (2 and 3,Expand
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Compounds from Arnebia euchroma and their related anti-HCV and antibacterial activities.
Three new hydroquinone terpenoids with benzogeijerene skeletons, euchroquinols A-C (1- 3), and a new monoterpenylbenzenoid, 9,17-epoxyarnebinol (4), along with five known compounds were isolated fromExpand
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Pierisformotoxins A – D, Polyesterified Grayanane Diterpenoids from Pieris formosa and Their cAMP‐Decreasing Activities
Four highly acylated diterpenoids, designated as pierisformotoxins A–D (1–4, resp.), along with 26 known compounds, were isolated from the flowers of Pieris formosa. Among them, pierisformotoxins AExpand
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Withanolides from aerial parts of Nicandra physalodes.
Twenty withanolides, including previously unknown nicanlodes A-M, were isolated from aerial parts of Nicandra physalodes. Their structural elucidations were unambiguously achieved throughExpand
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Two new grayanane diterpenoids from the flowers of Rhododendron molle
A phytochemical investigation of the flowers of Rhododendron molle has yielded two new grayanane diterpenoids, rhodomolleins F and G (1, 2). Compounds 1 and 2 possessed an oxo-bridge between C-5 andExpand
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Schisanlactone H and sphenanthin A, new metabolites from Schisandra sphenanthera
From the fruits of Schisandra sphenanthera (Schisandraceae), a new 3,4-seco-lanostane triterpenoid, schisanlactone H (1), and a new monocyclofarnesane sesquiterpenoid, sphenanthin A (2), wereExpand
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Neopierisoids A and B, two new chlorinated 3,4-seco-grayanane diterpenoids with antifeedant activity from flowers of Pieris japonica.
Two new chlorinated multiacylated 3,4-seco-grayanane diterpenoids, neopierisoids A and B (1 and 2), were isolated from flowers of the poisonous plant Pieris japonica and were identified fromExpand
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