Influence du pH sur la rétention des révélateurs photographiques hydroquinones par nanofiltration [PDF]
, 2011 L’objet de ce travail est d’étudier l’influence du pH sur le taux de rétention lors de la nanofiltration des solutions d’hydroquinone, d’hydroquinone monosulfonate et d’hydroquinone disulfonate seules ou en mélange, qui sont présents dans les bains ...
Baroudi, Moumen +2 more
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2-Amino-4-(4-methoxyphenyl)-1-(4-methylphenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carbonitrile
IUCrData, 2018 In the title compound, C24H23N3O2, the cyclohexene and 1,4-dihydropyridine rings of the 1,4,5,6,7,8-hexahydroquinoline ring system each adopt a twisted-boat conformation. The dihedral angle between the benzene rings is 13.89 (10)°.
Asmaa H. A. Tamam +5 more
doaj +1 more source
On the Theory of Oxidation-Reduction Reactions Involving Electron Transfer. III. Applications to Data on the Rates of Organic Redox Reactions [PDF]
, 1957 A recently developed theory of oxidation‐reduction reactions (Part I) is used to calculate the rates of organic redox reactions whose mechanism involves the transfer of an electron from one reactant to the other. The theory can be used to discuss factors
Marcus, R. A.
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Cytotoxic Terpene Quinones from Marine Sponges
Marine Drugs, 2010 The 1,4-benzoquinone moiety is a common structural feature in a large number of compounds that have received considerable attention owing to their broad spectrum of biological activities.
Marina Gordaliza
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AMB Express, 2020 Trametes spec. laccase (EC 1.10.3.2.) mediates the oxidative coupling of 6-aminopenicillanic, 7-aminocephalosporanic, and 7-aminodesacetoxycephalosporanic acid with 2,5-dihydroxybenzoic acid derivatives to form new penicillin and cephalosporin structures,
Annett Mikolasch +3 more
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Ground states of conjugated molecules - XIV: redox potentials of quinones [PDF]
, 1969 The semiempirical SCF MO procedure of Part XIF of this series has been used to calculate relative redox potentials for a series of 25 quinones for which experimental data are available.
Dewar, M. J. S., Trinajstić, Nenad
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Xishaeleganins A–D, Sesquiterpenoid Hydroquinones from Xisha Marine Sponge Dactylospongia elegans
Marine Drugs, 2022 Four new sesquiterpene hydroquinones, xishaeleganins A–D (6–9), along with eleven known related ones (12 and 14–23) were isolated from the Xisha marine sponge Dactylospongia elegans (family Thorectida).
Bao Chen +5 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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Quantitative aspects of the interfacial catalytic oxidation of Dithiothreitol by dissolved oxygen in the presence of carbon nanoparticles [PDF]
, 2016 The catalytic nature of particulate matter is often advocated to explain its ability to generate reactive oxygen species, but quantitative data are lacking.
Rossi, Michel J., Sauvain, Jean-Jacques
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Synthesis and cytotoxic activity of geranylmethoxyhydroquinone derivatives [PDF]
, 2012 Indexación: Web of Science; ScieloEl geranilo-2 ,4-sintético nuevo methoxyhydroquinone 1 y el conocido geranilo-4 ,5 methoxyhydroquinone- 2 se prepararon por sustitución electrófila aromática (EAS) reacciones entre geraniol y 1,3,5-trimethoxyphenol ...
Baeza Maturana, Evelyn +5 more
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