Results 31 to 40 of about 47,665 (323)
Synthesis and cation-receptor properties of macrocyclic imines of anthraquinone [PDF]
, 2018 At the present study a series of crown-containing imines of 1-hydroxy-9,10-anthraquinone with donor and acceptor substituents at the anthraquinone nucleus were synthesized.
Кудреватых, А. А. +1 more
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Isolation and Structure determination of new anthraquinone from the flowers of Tagetes erecta
Environment Conservation Journal, 2007 Tagetes erecta belongs to family asteraceae is found plentifully in most of the places of India, either cultivated in gardens or wild. The villagers use thi s plant in bron chial asthma, anusthans, di ffe rent ceremon y.
J.S. Jangwan, M. Dobhal, S.C. Sati
doaj +1 more source
DNA-Mediated Electrochemistry [PDF]
, 2008 The base pair stack of DNA has been demonstrated as a medium for long-range charge transport chemistry both in solution and at DNA-modified surfaces. This chemistry is exquisitely sensitive to structural perturbations in the base pair stack as occur with
Barton, Jacqueline K. +2 more
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Sen'i Gakkaishi, 1984 Substituent effect on the ozonation of anthraquinones was discussed. Reactivity of anthraquinones with ozone increased as greater was the electron donative property of the substituent. When the unsymmetrical anthraquinones were ozonized, the remarkable selectivity of ozone attack on the both aromatic rings was observed.
Kiyomi Kobayashi +4 more
openaire +3 more sources
The Direct Chlorination of Anthraquinone Oxime. The Regioselective Chlorination of Anthraquinone [PDF]
Bulletin of the Chemical Society of Japan, 1977 Abstract The reaction of anthraquinone oxime with chlorine in the presence or absence of a catalyst was investigated. In concentrated sulfuric acid, the direct chlorination of anthraquinone oxime takes place easily at 100 °C. The chlorination occurs selectively in the β-position in the absence of a catalyst and in the α-position in the ...
Yasuo Takami +3 more
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Characterization of Shewanella oneidensis MtrC: a cell-surface decaheme cytochrome involved in respiratory electron transport to extracellular electron acceptors [PDF]
, 2007 MtrC is a decaheme c-type cytochrome associated with the outer cell membrane of Fe(III)-respiring species of the Shewanella genus. It is proposed to play a role in anaerobic respiration by mediating electron transfer to extracellular mineral oxides that ...
AI Tsapin +52 more
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Polymerization of novel methacrylated anthraquinone dyes
Beilstein Journal of Organic Chemistry, 2013 A new series of polymerizable methacrylated anthraquinone dyes has been synthesized by nucleophilic aromatic substitution reactions and subsequent methacrylation.
Christian Dollendorf +3 more
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Cytotoxic Quinones from the Roots of Aloe dawei
Molecules, 2014 Seven naphthoquinones and nine anthraquinones were isolated from the roots of Aloe dawei by chromatographic separation. The purified metabolites were identified by NMR and MS analyses.
Negera Abdissa +7 more
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Mutagenicity of anthraquinone and hydroxylated anthraquinones in the Ames/Salmonella microsome system [PDF]
Applied and Environmental Microbiology, 1982 The mutagenicity of anthracene, anthraquinone, and four structurally similar compounds of each was evaluated in the Ames/Salmonella microsome assay. Anthraquinone was shown to be mutagenic for strains TA1537, TA1538, and TA98 in the absence of rat liver homogenate. The four anthraquinone derivatives tested were mutagenic for TA1537 exclusively. None of
D F Liberman +4 more
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Orientation and solvatochromism of dyes in liquid crystals. [PDF]
, 2003 The orientation and solvatochromism of some dye molecules in a liquid crystal have been investigated. Interactions with the host and the structure of the dye molecule affect the macroscopic alignment of dichroic dye molecules in a liquid crystal: It was ...
Bloor, D. +10 more
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