benzoquinone


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  • noun

Synonyms for benzoquinone

any of a class of aromatic yellow compounds including several that are biologically important as coenzymes or acceptors or vitamins

References in periodicals archive ?
The effect of the molar ratio of the ethylene di amine relative to the para Benzoquinone attache to activated chitin (AC) was studied in the range from 1:1/8 to 1: 2 (figure 5).
He combines two stable compounds, benzaldehyde and benzoquinone, with visible light.
Idebenone is a synthetic short-chain benzoquinone and a cofactor for the enzyme NAD(P)H:quinone oxidoreductase (NQO1) capable of stimulating mitochondrial electron transport, reducing and scavenging reactive oxygen species (ROS) and supplementing cellular energy levels.
2] It is a good donor of hydrogen molecules and metabolized by cytochrome P450 peroxidase to an active radical, forming a reactive compound called benzoquinone diamine.
A total of 8 intermediates were identified, including 3-hydroxyacetaminophen, hydroquinone, 1, 4 benzoquinone, N-acetyl-p-benzoquinone imine, p-acetanisidide, 4-methoxyphenol, 2hexenoic acid, and 1, 4 dimethoxybenzene.
Nelson, "Nacetyl-p- benzoquinone imine: a cytochrome P-450-mediated oxidation product of acetaminophen," ISOTOPENPRAXIS, vol.
1) belongs to 2,5-di-substituted benzoquinone class of compounds having methyl and isopropyl groups at carbon-2 and carbon-5, respectively (Padhye et al.
Sodium chloride, acetic acid, chitin from crab shells (practical grade), para Benzoquinone, sodium hydroxide pellets, and coomassie brilliant blue G250, from Sigma-Aldrich Chemicals Ltd.
Hydroxyaryl ketones are versatile intermediates in the synthesis of biologically active benzoquinone, pesticides, photographic agents, UV absorbents, phenols containing liquid crystal (LC) polymers and low molecular weight mesogens [1-4].
In patients with alkaptonuria, excess homogentisic acid is oxidized and polymerized by polyphenol oxidase into benzoquinone acetic acid, which binds to collagen irreversibly.
The ALR/FTIR system was used to study the reaction of a steroid with a benzoquinone compound which yields a pair of diasteriomeric adducts.
Geldanamycin, heat shock protein 90-binding benzoquinone ansamycin, inhibits steroid-dependent translocation of the glucocorticoid receptor from the cytoplasm to the nucleus.
Other pieces were etched in dichloromethane--a good solvent for the reactants--with 1% benzoquinone for 10 hrs to dissolve any soluble materials.
Hidaka, Sonochemical oxidation of phenol and three of its intermediate products in aqueous media: catechol, hydroquinone, and benzoquinone.
Raxone (idebenone), a synthetic short-chain benzoquinone and a cofactor for the enzyme NAD(P)H:quinone oxidoreductase (NQO1), is capable of transferring electrons directly onto complex III of the mitochondrial electron transport chain, thereby circumventing the complex I defect, reducing and scavenging ROS and restoring cellular energy levels in retinal ganglion cells and promoting recovery of visual acuity.