Results 91 to 100 of about 9,191 (227)
Two Pyrones with Antibacterial Activities from
Natural Product Communications, 2016 A new pyrone derivative, malakavalactone ( 2 ), was isolated from the acetone extract of Alpinia malaccensis fruits, along with a known compound kavalactone ( 1 ).
Tita Juwitaningsih +2 more
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, 2023 Talarolactones A–G (1–7), seven novel α-pyrone adducts with unprecedented scaffolds, together with two pairs of α-pyrone monomers [(±)-8 and (±)-9)] were isolated from Talaromyces adpressus.
Weiguang Sun (2626117) +10 more
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Thin-Layer Chromatography Of Red Dyes And Intermediates [PDF]
Научно-технический вестник Брянского государственного университета, 2015 Binary homogeneous azeotropic solvent mixtures for thin-layer chromatography of laser dyes and intermediates (cou-marins, naphthalimides, benzanthrones, phenalenones, γ-pyrone derivatives) are proposed with dielectric constants of 2,4 – 19,3 and boiling ...
Belov S.P. +2 more
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(Z)-3-(1-Hydroxy-3-oxobut-1-enyl)-6-nitro-2H-chromen-2-one
Acta Crystallographica Section E, 2013 In the title compound, C13H9NO6, the coumarin system has the benzene ring aligned at 0.61 (18)° with respect to the pyrone ring. An intramolecular O—H...O hydrogen bond stabilizes the molecular conformation and a C—H...O contact ...
Nishith Saurav Topno +3 more
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Production of 6-pentyl-alpha-pyrone by Trichoderma viride.
, 1992 Fermentative production of 6-pentyl-alpha-pyrone, a lactone with a characteristic coconut aroma, by Trichoderma viride is described. Concn. of 6-pentyl-alpha-pyrone reached a maximum of 90-110 p.p.m.
Prapulla, S. G. +3 more
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Revista Brasileira de Ciências AmbientaisAgro-industrial waste is considered a global concern. Many of these residues are composed of considerable amounts of lipids and starch that can potentially be applied in bioprocesses, as is the case with residues from the bacuri fruit (Platonia insignis ...
Adriana Silva do Nascimento +8 more
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Synthesis of an Antileukemic Pyrone from Alternaria phragmospora
, 2017 Antileukemic pyrone 1 was synthesized by way of a five-step procedure from 4-Hydroxy-5-methoxycarbonyl-6-methyl-2-pyrone (8). This is the first synthesis of 4-methoxy-6-methyl-5-(3-oxobutyl)-2H-pyran-2-one (1).This article is published as Qu, Yang, and ...
Kraus, George, Qu, Yang
core
Acta Crystallographica Section E, 2013 The title compound, C23H20N2O6, crystallizes with two molecules in the asymmetric unit in which the dihedral angles between the mean planes of the pyran and phenyl rings are 66.6 (1) and 61.9 (1) °.
M. Bakthadoss +4 more
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Synthesis of 2-pyrone containing products and Hibiscone C
, 2018 2-Pyrone is extremely prevalent in numerous natural products with a broad range of biological activities. Not only structurally complex natural products, but more and more 2-pyrone containing small molecules have also attracted the attention of organic ...
Qu, Yang
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Two New Pyrone Derivatives from the Plant Endophytic Fungus sp
Natural Product Communications, 2014 Two new α-pyrones, Exserolide G–H (1–2) , together with one known metabolite, stemphypyrone (3) , were isolated from the solid-substrate fermentation cultures of the plant endophytic fungus Exserohilum sp.
Ruxin Li +3 more
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