9 Result(s)
within
Qiu-**a Yao
Chemistry/Food Science, general
Plant Sciences
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Article
Prenylated Flavonoids from Desmodium caudatum and as Potential Activators for SARS-CoV-2
Two new isoprenylated flavone, 8,4′-dimethoxy-6-(4-methyl-1H-pyrrol-2-yl)-flavone (1), 8-hydroxy-4′-methoxy-6-(4-methyl-1H-pyrrol-2-yl)-flavone (2), together with seven known isoprenylated flavonoids (3–9) were i...
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Article
Two New Isoquinolines from Cigar Tobacco-Derived Endophytic Fungi Aspergillus puniceus and Their Antibacterial Activity
With the aims of screening more antibacterial activity metabolites, in this study, two new (1 and 2), together with five known (3–7) isoquinolines were isolated from the cigar tobacco-derived endophytic fungi Asp...
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Article
Isoprenylated Flavones from the Twigs of Artocarpus chama and Their Anti-Viral Activities
A new isoprenylated flavone, 8,4′-dimethoxy-6-(4′′-methylfuran-2-yl)-flavone (1), together with five known isoprenylated flavones (2–6) were isolated from the twigs of Artocarpus chama. Interestingly, compound 1 ...
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Article
Carboline Alkaloids from the Cigar Tobacco-Derived Fungi Aspergillus sp. and Their Anti-TMV Activity
Two new β-carboline alkaloids, 1-acetyl-6-hydroxymethyl-7-methoxy-β-carboline (1) and 1-acetyl-6- hydroxymethyl-8-methoxy-β-carboline (2), together with four known ones (3–6) were isolated from the cigar tobacco ...
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Article
Antiviral Isoquinolines from the Cigar Tobacco Derived Endophytic Fungi Aspergillus fumigatus
With the aim of screening more antiviral activity metabolites, in this study, two new (1 and 2), together with five known (3–7), isoquinolines were isolated from the cigar tobacco-derived endophytic fungi Aspergi...
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Article
Antiviral Chromone Alkaloids from the Cigar Tobacco Leaves Derived Endophytic Fungus Aspergillus lentulus
The chromone alkaloids have attracted the widespread attention of chemists and biologists due to their complex structures and prominent bioactivities. With the aim of screening more antiviral activity metaboli...
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Article
Two New Anti-Tobacco Mosaic Virus Alkaloids from the Whole Plants of Thalictrum microgynum
Two new (1 and 2), together with four known (3–6) alkaloids were isolated from the whole plants of Thalictrum microgynum. Compounds 1–6 were tested for their anti-tobacco mosaic virus (anti-TMV) activity. The res...
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Article
Chemical Constituents of the Roots of Phlomis betonicoides and Their Anti-Rotavirus Activity
Two new isobenzofuranone derivatives (1 and 2) together with six known compounds (3–8) were isolated from the roots of Phlomis betonicoides, a highly sweet plant in China. Their structures were determined by mean...
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Article
Two New Anti-Tobacco Mosaic Virus Xanthones from Comastoma Pedunculatum
Two new anti-tobacco mosaic virus (anti-TMV) xanthones, 4,7-dimethoxy-5-hydroxymethyl-1-methylxanthone (1) and 7-hydroxy-5-hydroxymethyl-4-methoxy-1-methylxanthone (2), were isolated from the whole plants of Coma...
