Results 181 to 190 of about 4,019 (241)
Tracking hydrothermal infiltration within light oil reservoirs using organic geochemical proxies in the Shunbei area of Tarim Basin in China. [PDF]
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Study on the volatility of halogenated fluorenes
Chemosphere, 2016This work reports the experimental determination of relevant thermophysical properties of five halogenated fluorenes. The vapor pressures of the compounds studied were measured at different temperatures using two different experimental techniques. The static method was used for studying 2-fluorofluorene (liquid and crystal vapor pressures between 321 ...
Juliana A.S.A. Oliveira +2 more
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Organic & Biomolecular Chemistry, 2022
Fluorinated fluorenones can be elaborated to polyhalogenated dibenzochrysenes in 4 steps.
Cody F. Dickinson +2 more
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Fluorinated fluorenones can be elaborated to polyhalogenated dibenzochrysenes in 4 steps.
Cody F. Dickinson +2 more
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Liquid crystalline organic semiconductors: nematic spiro[cyclopentyl-1,9′]fluorenes
Liquid Crystals, 2011 A number of nematic spiro[cyclopentyl-1,9′]fluorene reactive mesogens with polymerisable oxetane or non-conjugated diene end-groups have been successfully synthesised. The melting and clearing points of these new spiro[cyclopentyl-1,9′]fluorenes are much
Marta Haro +2 more
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Fungal degradation of fluorene
Chemosphere, 2000A selection of 30 strains of micromycetes known as good degraders of polychlorinated aromatic compounds, mostly isolated from soil and belonging to various taxonomic groups, have been investigated to degrade fluorene. Toxicity assays, first evaluated on solid media, have shown high growth inhibition at concentrations above 0.001 g l-1 only towards 23 ...
D, Garon, S, Krivobok, F, Seigle-Murandi
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Photosynthese des Fluorens, des Reten‐fluorens und des 1.2‐Benzo‐fluorens
Justus Liebigs Annalen der Chemie, 1958AbstractDie Darstellung einiger o‐Chinondiazide mit dem Ringsystem des Phenanthrens und Chrysens und deren Lichtreaktion werden beschrieben.
Oskar Süs +2 more
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Vapor pressure measurements on fluorene and methyl-fluorenes
Fluid Phase Equilibria, 2004Vapor pressures, molar enthalpies of sublimation, and molar enthalpies of vaporization of fluorene, 9-methyl-fluorene, and 1-methyl-fluorene have been determined by the transpiration method. Results were tested for internal consistency and compared with available literature data.
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Bis-(Fluorene)-Embedded Hexaphyrins
The Journal of Organic Chemistry, 2022The polyaromatic hydrocarbon containing expanded porphyrins, bis-(fluorene)-embedded hexaphyrins, were synthesized by condensing fluorene-based tripyrrane with pentafluorobenzaldehyde in CH2Cl2 in the presence of 1 equiv of BF3·OEt2 under an inert atmosphere followed by oxidation with DDQ in open air at room temperature. The reaction worked only when 1
Bharti Yadav, Mangalampalli Ravikanth
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Anisotropic electron mobility in fluorene-PPV and fluorene-MEH-PPV
Molecular Physics, 2016ABSTRACTPolyfluorene copolymers are attractive semiconductor materials, in particular for applications in the organic electronics field. They are versatile to be chemically modified and allow a tuning of the emission to cover the entire visible spectrum.
Carlos E. T. Magalhães +3 more
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Acta Crystallographica Section C Crystal Structure Communications, 1996
In fluorene-1-carboxylic acid, C14H10O2, the sole hydrogen bond is of the cyclic dimer type about a center of symmetry. The carboxyl H atom is ordered. Distances in the fluorene core are very similar to those in fluorene itself; the fluorene core dihedral angle is, however, larger than in fluorene.
A C, Blackburn, A J, Dobson, R E, Gerkin
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In fluorene-1-carboxylic acid, C14H10O2, the sole hydrogen bond is of the cyclic dimer type about a center of symmetry. The carboxyl H atom is ordered. Distances in the fluorene core are very similar to those in fluorene itself; the fluorene core dihedral angle is, however, larger than in fluorene.
A C, Blackburn, A J, Dobson, R E, Gerkin
openaire +2 more sources