Qing-yun Ma

Publications79
h-index13
Citations477
Highly Influential Citations11
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Volvalerelactones A and B, two new sesquiterpenoid lactones with an unprecedented skeleton from Valeriana officinalis var. latifolia.
Volvalerelactones A and B (1 and 2), two new sesquiterpenoid lactones with an unprecedented 3/7/6 tricyclic ring system, were isolated from the roots of Valeriana officinalis var. latifolia. Their… Expand
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Fatty acid synthase inhibitors from the hulls of Nephelium lappaceum L.
Natural products inhibiting fatty acid synthase (FAS) are appearing as potential therapeutic agents to treat cancer and obesity. The bioassay-guided chemical investigation of the hulls of Nephelium… Expand
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Volvalerine A, an unprecedented N-containing sesquiterpenoid dimer derivative from Valeriana officinalis var. latifolia.
Volvalerine A (1), a novel N-containing bisesquiterpenoid derivative with a dihydroisoxazole ring, and its possible biosynthetic precursor, 1-hydroxy-1,11,11-trimethyldecahydrocyclopropane… Expand
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Nematicidal Stemona Alkaloids from Stemona parviflora.
Eight new alkaloids, 3β-n-butylstemonamine (1), 8-oxo-3β-n-butylstemonamine (2), 3-n-butylneostemonine (3), 10-epi-3-n-butylneostemonine (4), 8-oxo-oxymaistemonine (5) protostemonine N4-oxide (6),… Expand
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Fatty acid synthase inhibitors isolated from Punica granatum L.
The aim of this work is the isolation of fatty acid synthase (FAS) inhibitors from the ethyl acetate extracts of fruit peels of Punica granatum L. Bioassay-guided chemical investigation of the fruit… Expand
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Three New Lanostanoids from the Mushroom Ganoderma tropicum
Three new lanostanoid triterpenes—ganotropic acid (1), 3β,7β,15α,24-tetra-hydroxy-11,23-dioxo-lanost-8-en-26-oic acid (2) and 3β,7β,15α,28-tetrahydroxy-11,23-dioxo-lanost-8,16-dien-26-oic acid… Expand
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Helvolic Acid Derivatives with Antibacterial Activities against Streptococcus agalactiae from the Marine-Derived Fungus Aspergillus fumigatus HNMF0047.
Streptococcus agalactiae is a hazardous pathogen that can cause great harm to humans and fish. In the present study, the known fungal metabolite helvolic acid (10), seven new helvolic acid… Expand
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Two New Lignans from Wikstroemia dolichantha
Two new lignans, dolichanthin A (1) and dolichanthin B (2), were isolated from the EtOAc extract of Wikstroemia dolichantha. Their structures were elucidated by the analysis of 1D and 2D… Expand
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Chrodrimanins K-N and Related Meroterpenoids from the Fungus Penicillium sp. SCS-KFD09 Isolated from a Marine Worm, Sipunculus nudus.
Six new meroterpenoids, chrodrimanins K-N (1-4), including two uncommon chlorinated ones (1 and 2), and verruculides B2 (5) and B3 (6), as well as seven known ones (7-13), were isolated from the… Expand
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Three new lanostanoid triterpenes from the fruiting bodies of Ganoderma tropicum
Three new lanostanoid triterpenes, 3β,7β,15β-trihydroxy-11,23-dioxo-lanost-8,16-dien-26-oic acid (1), 3β,7β,15β-trihydroxy-11,23-dioxo-lanost-8,16-dien-26-oic acid methyl ester (2), and… Expand
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