Investigating the antiparasitic potential of the marine sesquiterpene avarone, its reduced form avarol, and the novel semisynthetic thiazinoquinone analogue thiazoavarone [PDF]
, 2020 The chemical analysis of the sponge Dysidea avara afforded the known sesquiterpene quinone avarone, along with its reduced form avarol. To further explore the role of the thiazinoquinone scaffold as an antiplasmodial, antileishmanial and antischistosomal
AIELLO, ANNA +13 more
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The MarR-Type Repressor MhqR Confers Quinone and Antimicrobial Resistance in Staphylococcus aureus [PDF]
, 2019 Aims: Quinone compounds are electron carriers and have antimicrobial and toxic properties due to their mode of actions as electrophiles and oxidants.
Fritsch, Verena Nadin +9 more
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Electrochemistry of potential bioreductive alkylating quinones : Part 2. Electrochemical properties of 2,5-bis(1-aziridinyl)-3,6-bis(ethoxycarbonylamino)-1,4-benzoquinone and some model compounds [PDF]
, 1990 The reduction mechanism of 2,5-bis(1-aziridinyl)-3,6-bis(ethoxycarbonylamino)-1,4-benzoquinone (Diaziquone, AZQ) and several model compounds of the mono- and bis(1-aziridinyl)quinone type at the dropping mercury electrode in aqueous solutions was studied.
Blauw, J.S. +6 more
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Protein covalent modification of biologically active quinones [PDF]
Journal of the Serbian Chemical Society, 2004 The avarone/avarol quinone/hydroquinone couple shows considerable antitumor activity. In this work, covalent modification of β-lactoglobulin by avarone and its derivatives as well as by the synthetic steroidal quinone 2,5(10)-estradiene- 1,4,17-trione ...
Sladić Dušan M. +7 more
doaj +1 more source
Molecules, 2019 We report a new boron dipyrromethene (BODIPY)-bridged bisphenoxyl diradicaloid (2), which showed closed-shell diamagnetic character in less polar solvents such as dichloromethane but open-shell diradical character with paramagnetic activity in the very ...
Fang Miao, Hoa Phan, Jishan Wu
doaj +1 more source
Discovery of nitrogenous derivatives of dihydromyricetin in cell culture medium
eFood, 2022 Dihydromyricetin (DMY) is a health‐beneficial flavanonol in the family of flavonoids, extracted from Ampelopsis grossedentata (Hand.‐Mazz.) W. Wang. When investigating the stability of DMY in Dulbecco's modified Eagle's medium (DMEM) solution at 37°C by ...
Haolin Zhang +6 more
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Frontiers in Chemistry, 2019 The catechol quinone (CQ) motif is present in many biologically relevant molecules throughout endogenous metabolic products, foods, drugs, and environmental pollutants. The CQ derivatives may undergo Michael addition, and has been shown to yield covalent
Shu-Hui Chen, Chun-Wei Li
doaj +1 more source
Journal of the Mechanical Behavior of Materials, 2021 Dopamine is considered an important molecule that plays several essential roles in the human body, and herein lies the key to this paper on the electronic and optical properties of dopamine and its derivatives, such as quinone and L ...
Jabbar Mohammed L.
doaj +1 more source
Electrochemistry of potentially bioreductive alkylating quinones : Part 1. Electrochemical properties of relatively simple quinones, as model compounds of mitomycin- and aziridinylquinone-type antitumour agents [PDF]
, 1990 The influence of methyl-, hydroxy and amino substituents on the electrochemical behaviour of simple 1,4-naphtho-and 1,4-benzoquinones, model compounds of many quinoid antitumour agents, in aqueous media was studied. Significant changes in electrochemical
Bos, M. +9 more
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Generation of superoxide and singlet oxygen from α-tocopherolquinone and analogues. [PDF]
, 2007 Three potential routes to generation of reactive oxygen species from a tocopherolquinone have been identified. The quinone of the water-soluble vitamin E analogue Trolox C (Trol-Q) is reduced by hydrated electron and isopropanol a hydroxyalkyl radical ...
Bisby, RH +4 more
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