New Antiproliferative Dibenzo-α-Pyrone From Whole Plants of
Natural Product Communications, 2021 A new compound, 1,3,7,9-tetrahydroxy-6 H -dibenzo[ b , d ]pyran-6-one ( 1 ), together with 6 known compounds ( 2 - 7 ), was isolated from the extract of whole plants of Centella asiatica .
Yi Liu, Wei Wang, Jian Miao
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Bioactive Alpha-Pyrone and Phenolic Glucosides from the Marine-Derived Metarhizium sp. P2100
Journal of Fungi, 2022 Glycoside compounds have attracted great interest due to their remarkable and multifarious bioactivities. In this study, four hitherto unknown 4-methoxy-β-D-glucosyl derivatives were obtained and identified from the marine-derived fungus Metarhizium sp ...
Zhong-Lian Ma +9 more
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ANALGESIC ACTIVITY OF SOME NEW SYNTHETIC DIBENZO-α-PYRONES DERIVATIVES
INTERNATIONAL JOURNAL OF RESEARCH IN AYURVEDA & PHARMACY, 2014 Following standard Hurtley reaction, by using 2 - Bromobenzoic acid, resorcinol and NaOH in the presence of CuSO 4 solution as a catalyst, a clay coloured solid of dibenzo - α - pyrone was prepared. This resulting solid of DBαP was then reacted with various amines respectively, formaldehyde and ethanol and refluxed for 1.5 h as per Mannich reaction ...
Shalini Sawhney +3 more
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Contrasting ring-opening propensities in UV-excited α-pyrone and coumarin [PDF]
, 2016 Ring-opening quantum yields following UV-photoexcitation of coumarin and α-pyrone are influenced by the dynamics through, rather than just the geometries of, conical intersections.
Ashfold, Michael N R +8 more
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Synthesis of dialkylaminocarbonyl N-chloro- carbonyl-N-phenyl-4-aminobenzo-(-pyrone derivatives [PDF]
, 2004 The title compounds were prepared by condensation of N-chlorocarbonyl-N-phenyl-4-aminobenzo-(-pyrone with diethylamine dibutylamine and isopropylamine.
Rodić-Grabovac Branka B. +1 more
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Marine Drugs, 2017 Intensive study of the organic extract of the marine-derived bacterium Saccharomonospora sp. CNQ-490 has yielded three new α-pyrones, saccharomonopyrones A–C (1–3).
Chae-Yoon Yim +12 more
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Synthesis and antibacterial activities of enamine derivatives of dehydroacetic acid [PDF]
, 2017 Dehydroacetic acid is a common pyrone derivative used commercially as an antibacterial and antifungal agent. Based on the synthesis of dehydroacetic acid (1) from N-hydroxysuccinimdyl acetoacetate, a novel series of enamine-based derivatives were ...
Baldwin, Alex +4 more
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A Concise Synthesis of Rhodanthpyrone A and B, Natural 4-(Hydroxyphenyl)-substituted α-Pyrones
Natural Product Communications, 2017 A concise synthesis of rhodanthpyrone A and B was accomplished via a Suzuki coupling reaction. To find the conditions appropriate to install hydroxyphenyl moieties to the α-pyrone skeleton, a model study was conducted using commercially available boronic
Young Taek Han
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Effects of Trichoderma treatments on the phenolic and sensory quality of Aglianico grapes and wine. [PDF]
J Sci Food AgricAbstract BACKGROUND As environmental awareness grows, interest in sustainable agriculture is increasing. A promising alternative is the use of plant‐beneficial microorganisms such as Trichoderma spp., which suppress pathogens, promote growth and enhance productivity. In viticulture, Trichoderma species have been studied mainly for pathogen control, but
Lisanti MT +8 more
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Arzanol, a prenylated heterodimeric phloroglucinyl pyrone, inhibits eicosanoid biosynthesis and exhibits anti-inflammatory efficacy in vivo. [PDF]
, 2011 Based on its capacity to inhibit in vitro HIV-1 replication in T cells and the release of pro-inflammatory cytokines in monocytes, the prenylated heterodimeric phloroglucinyl α-pyrone arzanol was identified as the major anti-inflammatory and anti-viral ...
Appendino G +8 more
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