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Secondary Metabolites Isolated from an Endophytic Phoma sp. – Absolute Configuration of Tetrahydropyrenophorol Using the Solid‐State TDDFT CD Methodology
The known macrolide pyrenophorol (synonym helmidiol) (1), the new 2,3,10,11-tetrahydropyrenophorol (3), and (4S,7R)-4,7-dihydroxyoctanoic acid (4), the monomeric acid of the sixteen-membered cyclicExpand
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Eucleanal A and B: Two new napthalene derivatives from Euclea divinorum
Abstract Two new naphthalene derivatives named eucleanal A and B (1 and 2) were isolated from Euclea divinorum. The structures of the new compounds were elucidated by detailed spectroscopic analysisExpand
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New Bioactive 2,3‐Epoxycyclohexenes and Isocoumarins from the Endophytic Fungus Phomopsis sp. from Laurus Azorica
Six new metabolites, namely cycloepoxylactone (1a), cycloepoxytriol A (2), cycloepoxytriol B (3) and phomolactones A–C (4–6), were isolated from two cultures of the ethyl acetate soluble fraction ofExpand
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Bioactive Natural Products from the Endophytic Fungus Ascochyta sp. from Meliotus dentatus – Configurational Assignment by Solid-State CD and TDDFT Calculations†
Two new metabolites, (4S)-(+)-ascochin (1a) and (S,S)-(+)-ascodiketone (3), together with the known compounds (3R,4R)-(–)-4-hydroxymellein (2), ent-α-cyperone (4) andExpand
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Diversity of Antimicrobial Pyrenophorol Derivatives from an Endophytic Fungus, Phoma sp.†‡
Pyrenophorol (1) and (–)-dihydropyrenophorin (3), two known macrodiolides, were isolated together with four new analogues (2, 4–6) and three ring-opened derivatives (7–9) from Phoma sp., anExpand
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Bioactive Nitronaphthalenes from an Endophytic Fungus, Coniothyrium sp., and Their Chemical Synthesis
Four natural nitro metabolites, 1-hydroxy-5-methoxy-2-nitronaphthalene (2), 1,5-dimethoxy-4-nitronaphthalene (3), 1-hydroxy-5-methoxy-2,4-dinitronaphthalene (4), andExpand
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Two New Fusidilactones from the Fungal Endophyte Fusidium sp.
The new bicyclic fusidilactones D (1) and E (2), along with the known and related fusidilactone B (3), have been isolated from the fungal endophyte Fusidium sp. The structures of the new compoundsExpand
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Viburspiran, an Antifungal Member of the Octadride Class of Maleic Anhydride Natural Products†
Viburspiran (8), a structurally new member of the maleic anhydride natural products, was isolated, along with seven known compounds 9–15, from the fungal endophyte Cryptosporiopsis sp. The structureExpand
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Psorantin, a unique methylene linked dimer of vismin and kenganthranol E, two anthranoid derivatives from the fruits of Psorospermum aurantiacum (Hypericaceae)
Abstract Two prenylated anthranoids, psorantin and kenganthranol E, were isolated from the fruit of Psorospermum aurantiacum together with the known compounds ferruginin B, vismin, vismion D,Expand
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Dinemasones A, B and C – New Bioactive Metabolites from the Endophytic Fungus Dinemasporium strigosum
Two new bioactive metabolites 1a and 2a (dinemasones A, B) were isolated in pure form and one as the diacetate 3b of dinemasone C (3a) from the ethyl acetate extract of Dinemasporium strigosumExpand
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