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Article
Two New Anti-SARS-CoV-2 Naphthoquinones from Cigar-Tobacco-Derived Endophytic Fusarium oxysporum
In this study, two new naphthoquinones, 6-isopropyl-7-methoxy-2-(2-oxopropyl)naphthalene-1,4-dione (1) and 7-hydroxy-6-isopropyl-2-(2-oxopropyl)naphthalene-1,4-dione (2), together with five known new naphthoquino...
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Article
Two New Stilbenes from the Whole Plant of Arundina graminifolia and Their Anti-SARS-CoV-2 Activity
Two new stilbenes, 5-methoxy-6-(4-methoxystyryl)-3-methylbenzofuran (1) and 5-methoxy-6-(4- hydroxystyryl)-3-methylbenzofuran (2), together with six known ones, bauhiniastatin D (3), gramideoxybenzoin B (4), gram...
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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
Bioactivity Isochromenes from Cigar Tobacco-Derived Endophytic Fungus Aspergillus fumigatus
Two new isochromenes, 1-(8-methoxy-3-methyl-1H-isochromen-6-yl)propan-1-one (1) and 3-hydroxy-1-(8- methoxy-3-methyl-1H-isochromen-7-yl)propan-1-one (2), along with five known ones, (3–7) were isolated from the f...
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Article
Two New Stilbenes from the Leaves and Stems of Bletilla striata and Their Anti-SARS-CoV-2 Activity
With the aim of screening more bioactivity metabolites, in this study, two new stilbenes, 5-methoxy-6-(4- methoxystyryl)benzofuran (1) and 6-(4-methoxystyryl)benzofuran-5-ol (2) were isolated from the leaves and ...
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Article
Open AccessCharacterization of anti-TMV indole alkaloid and isocoumarin derivatives from Aspergillus versicolor YNCA0363
Tobacco mosaic virus (TMV) is a harmful plant pathogen that causes a decline in the quality and yield of many economic crops. Natural products are important potential sources of biopesticides for the preventio...
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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
Two New Antifungal Indole Alkaloids from an Endophytic Fungi Aspergillus felis Obtained from Cigar Tobacco
With the aim of screening more bioactivity metabolites, in this study, two new indole alkaloids, felisindoles A and B (1 and 2), were isolated from the cigar tobacco-derived endophytic fungi Aspergillus felis. Th...
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Article
Two New Antibacterial Naphthoquinones from a Cigar Tobacco-Derived Endophytic Fusarium solani
In this study, two new (1 and 2), together with five known (3–7) naphthoquinones were isolated from the cigar tobacco-derived endophytic Fusarium solani. Their structures were determined by means of HR-ESI-MS and...
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Article
Open AccessPrenylated flavonoids isolated from the twigs of Artocarpus champeden as potential activators for tobacco powdery mildew and their mode of actions
Golovinomyces cichoracearum (DC.) is the main pathogen for tobacco powdery mildew fungus disease. Its outbreaks often result in severe harvest losses for the yield and quality of tobacco. Artocarpus champeden is ...
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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
Antibacterial Aromatic Sesquiterpenes from the Leaves of Nicotiana tabacum
Two new aromatic sesquiterpenes, 1-isopropyl-5-methoxy-3,7-dimethylnaphthalene (1) and 3-hydroxymethyl-1-isopropyl-5-methoxy-7-methylnaphthalene (2), as well as five known sesquiterpenes (3–7), were isolated from...
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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 Phenolic Glycosides from Thalictrum scabrifolium and Their Anti-TMV Activities
Two new phenolic glycosides, 2-(2-((1E,6Z)-3,8-dihydroxy-3,7-dimethylocta-1,6-dien-1-yl)-4-hydroxy-6-methylphenoxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol (1) and 2-(2-((E)-2-(2,6-dimethyl-2,3,4,7-tetra...
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Article
Stilbene Derivatives from Bletilla striata and Their Antiviral Activity
Two new (1 and 2), together with five known (3–7) stilbene derivatives, were isolated from the tubers of Bletilla striata. The structures of these new compounds were elucidated by means of spectroscopic methods, ...
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Article
Bioactive Indole Alkaloids from the Tobacco-Derived Endophytic Fungus Aspergillus fumigatus
Two new indole alkaloids, 1-(5-prenyl-1H-indol-3-yl)propan-2-one (1) and 1-(6-methoxy-5-prenyl-1H-indol-3-yl)propan-2-one (2), along with five known ones (3–7) were isolated from the fermentation products of a ci...
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Article
Two New Chromones from Cassia auriculata and Their Antiviral Activity
Two new chromones, 2-(2-(furan-2-yl)-2-oxoethyl)-6-methoxy-8-(2-oxopropyl)-chromone (1) and 2-(2-(furan-2-yl)-2-oxoethyl)-5-methoxy-8-(2-oxopropyl)-chromone (2), along with four known ones (3–6) were isolated fro...
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Article
Chromone Derivatives from Whole Plants of Chamaecrista rotundifolia and their Antibacterial Activity
In our search for new bioactive metabolites from plants of Cassia genus, the phytochemical investigation on the whole plants of C. rotundifolia was carried out, and that led to the isolation of two new (1 and 2) ...
