Chemical Constituents and Antifungal Properties of Piper ceanothifolium Kunth Against Phytopathogens Associated with Cocoa Crops [PDF]
PlantsIn this study, the antifungal potential of chemical constituents of Piper ceanothifolium Kunth was determined against three phytopathogenic fungi associated with the cocoa crop. The methodology included the phytochemical study of the inflorescences of P.
Yudy S. Mahecha-Jimenez +2 more
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Evaluations of Quinone/Hydroquinone Couples Acting as Two Hydrogen Atoms Antioxidants, Radical Quenchers, and Hydrogen Atom Abstractors [PDF]
BiomoleculesQuinone/hydroquinone couples play a crucial role in a variety of biochemical processes and chemical syntheses. Extending from our previous work, a practical dataset including the thermodynamic driving forces of 12 chemical processes for 118 quinone ...
Xiaotang Chen +3 more
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Cu-catalyzed asymmetric regiodivergent electrosynthesis and its application in the enantioselective total synthesis of (-)-fumimycin [PDF]
Nature Communications, 2023 Quaternary amino acids are one of the essential building blocks and precursors of medicinally important compounds. Various synthetic strategies towards their synthesis have been reported.
Tian Xie +5 more
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Linking triphenylphosphonium cation to a bicyclic hydroquinone improves their antiplatelet effect via the regulation of mitochondrial function [PDF]
Redox BiologyPlatelets are the critical target for preventing and treating pathological thrombus formation. However, despite current antiplatelet therapy, cardiovascular mortality remains high, and cardiovascular events continue in prescribed patients. In this study,
Diego Méndez +13 more
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The Synthesis of 5-Hydroxybenzofurans via Tandem In Situ Oxidative Coupling and Cyclization
SynOpen, 2022 A series of 5-hydroxybenzofurans have been prepared by PIDA-mediated oxidation and coupling cyclization of β-dicarbonyl compounds and hydroquinones. The reaction functionalizes C(sp2)–H of hydroquinones directly with yields of target molecules up to 96%.
Zhongren Lin +6 more
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Molecules, 2021 Owing to their broad range of redox potential, quinones/hydroquinones can be utilized for energy storage in redox flow batteries. In terms of stability, organic catholytes are more challenging than anolytes.
Xian Yang +5 more
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Antioxidant Activity of Natural Hydroquinones
Antioxidants, 2022 Secondary metabolites derived from hydroquinone are quite rare in nature despite the original simplicity of its structure, especially when compared to other derivatives with which it shares biosynthetic pathways.
Rosa M. Giner +2 more
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Directed Synthesis of Humic and Fulvic Derivatives with Enhanced Antioxidant Properties
Agronomy, 2021 Redox moieties, which are present in the molecular backbone of humic substances (HS), govern their antioxidant properties. We hypothesized that a directed modification of the humic backbone via incorporation of redox moieties with known redox properties ...
Alexander B. Volikov +11 more
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Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry [PDF]
, 2006 Thermochemolysis coupled with gas chromatography and mass spectrometry were applied to determine the structure of humic acids (HA) extracted from a sewage sludge and straw mixture at different steps of composting.
Amblès, André +8 more
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Exerting DNA Damaging Effects of the Ilimaquinones through the Active Hydroquinone Species
Scientia Pharmaceutica, 2021 Possessing the quinone moiety, ilimaquinone (1), a sponge–derived sesquiterpene quinone, has been hypothesised to express its cytotoxicity through a redox cycling process, yielding active product(s) that can cause DNA damage.
Apisada Jiso +4 more
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