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Showing 1 to 13 of 13 for “"FLUORENONE"”.
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ΣΧΕΔΙΑΣΜΟΣ ΚΑΙ ΣΥΝΘΕΣΗ ΝΕΩΝ ΠΥΡΕΘΡΟΕΙΔΩΝ
… 2) BENZYLETHERS OF THE OXIMES OF INDANONE, FLUORENONE, 2- METHYLINDANONE AND 2,2-DIMETHYLINDANONE WHICH WERE PREPARED BY THE REACTION OF THE SUITABLE SUBSTITUTED BENZYLCHLORIDES (C1CH2C6H5R, R:F,CL, CLCH2C6H4R1R2,R1:R2:CL) WITH THE OXIMES SODIUM SALTS. THE RELATIVE LIPOPHILICITY OF THE …
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Preparation and Properties of Azetidine-2-Ones
… azetidinones. Anils prepared from 9-fluorenone and aromatic amines yielded spiroazetidinones. In general it was found that diphenylketene and the fluorenone anils were the most reactive compounds. The mechanism of these reactions are discussed in the light of the experimental results …
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Novel phosphors for solid state lighting
… novel framework compounds was prepared using 9-fluorenone-2,7-dicarboxylic acid in combination with calcium, strontium, barium, cadmium, and manganese. They are more rigid structures and show good luminescence at room temperature with a photoluminescent excitation spectrum extending further into …
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Spectroscopic Studies of Inclusion Host-Guest Complexes Between Cyclophane Corrals and Polcyclic Aromatic Hydrocarbons
… of cyclophane-anthracene (C-A), cyclophane-9-fluorenone (C-F) and cyclophane-pyrene (C-P) complex systems in dichloromethane are presented in this thesis. The stability constants, log Ka, for the C-A, C-F and C-P complexes are determined using absorption and fluorescence spectroscopy. Heats of …
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Part I: Design, synthesis, and studies of novel age-inhibitors and age-breakers; Part II: Novel synthetic methods for organofluorine compound
… the photoredox catalysis, using photocatalyst 9-fluorenone in the presence of visible light (household bulb 13W CFL). This reaction proceeds under mild conditions and is applicable to <em>gem</em>-difluorination of variously substituted diaryl 1,3-dithiolanes. We have also developed a novel …
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The Effect of acetaminophen on isoniazid metabolism
… by using a gradient mobile phase system; 9-fluorenone was a standard. A different procedure was used to analyze acetylisoniazid (AcINH) and diacetylhydrazine (DiAcHz). The INH, AcHz, and Hz present in the samples were converted to hydrazones by reaction with p-chlorobenzaldehyde. The …
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Mass Spectrometric Characterization and Fluorophore-Assisted Light Inactivation of Human Excitatory Amino Acid Transporter
… potent EAAT inhibitors. Compounds containing 9-fluorenone groups were found to be able to irreversibly inactivate EAATs under UV-A illumination. The mechanism underlying the photo-inactivation was shown to be singlet oxygen mediated protein oxidation. The specificity of the photo-inactivation …
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Mass Spectrometric Characterization and Fluorophore-Assisted Light Inactivation of Human Excitatory Amino Acid Transporter
… potent EAAT inhibitors. Compounds containing 9-fluorenone groups were found to be able to irreversibly inactivate EAATs under UV-A illumination. The mechanism underlying the photo-inactivation was shown to be singlet oxygen mediated protein oxidation. The specificity of the photo-inactivation …
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Dipole moments and Kerr effect of poly(n-vinylcarbazole) and its complexes with trinitrofluorenone
… out on complexes formed between 2,4,7-trinitro-9-fluorenone (TNF) and different stereoregular forms of poly(N-vinylcarbazole) in solution in 1,4-dioxane. The differences in the molar Kerr constants between pure (uncomplexed) and complexed poly(N-vinylcarbazole) samples were attributed to changes …
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I. Dissociation and aromatization of a semibenzene. Reactions of triphenylmethyl and methyl isobutyryl radicals. II. The chemistry of alpha- and beta- azo radicals
… photolysis. Whereas thiophenol or triplet 9-fluorenone aromatize 1, thermolysis in the presence of 1,4-cyclohexadiene allows trapping of 5 and oligomeric radicals. From the measured heat of aromatization, the C-C bond dissociation enthalpy of 1 and its analog lacking the side chain …
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The formation and chemistry of certain heterocyclic dianions
… of the glutarimide dianion with benzophenone, 9-fluorenone, cyclohexanone, and anisaldehyde yielded tertiary and secondary alcohol derivatives which were subsequently dehydrated to form unsaturated glutarimides. The two diastereomeric alcohols resulting from condensation of the dianion with …
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Enhanced techniques for fingermark recovery from fabrics
… There was limited success with 1,8-diaza-9-fluorenone (DFO), small particle reagent (SPR), ninhydrin, fluorescent powders or the sputter coater for alternative VMD metals. The production of nanoparticles was unsuccessful; so no fingermark visualisation was attempted. Finally, the issue of …
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ΜΕΛΕΤΗ ΤΟΥ ΦΘΟΡΙΣΜΟΥ ΤΗΣ ΦΛΟΥΟΡΕΝΟΝΗΣ ΚΑΤΑ ΤΗΝ ΟΖΟΝΟΛΥΣΗ 9-ΠΑΡΑ- ΥΠΟΚΑΤΕΣΤΗΜΕΝΩΝ ΒΕΝΖΥΛΙΔΕΝΟΦΛΟΥΟΡΕΝΙΩΝ ΣΕ ΟΜΟΙΟΓΕΝΗ ΚΑΙ ΠΡΟΣΑΝΑΤΟΛΙΣΜΕ...
ΣΥΝΤΕΘΗΚΕ ΜΙΑ ΣΕΙΡΑ 9-ΠΑΡΑ-ΥΠΟΚΑΤΕΣΤΗΜΕΝΩΝ ΒΕΝΖΥΛΙΔΕΝΟΦΛΟΥΟΡΕΝΙΩΝ (FA, Π-ΝΙΤΡΟ. FB, Π-ΚΥΑΝΟ. FΓ, Π-ΧΛΩΡΟ. FΔ, Π-ΒΡΩΜΟ. FE, Π-ΥΔΡΟΓΟΝΟ. FΖ, Π- ΜΕΘΥΛΟ. FΝ Π-ΜΕΘΟΞΥ. FΘ, Π-ΜΕΘΟΞΥ-Μ-ΜΕΘΥΛΟ. FΙ, Π-ΔΙΜΕΘΥΛΑΜΙΝΟ) ΚΑΙ ΜΕΤΡΗΘΗΚΑΝ ΟΙ ΤΑΧΥΤΗΤΕΣ ΠΑΡΑΓΩΓΗΣ ΦΛΟΥΟΡΕΝΟΝΗΣ ΦΘΟΡΙΣΜΟΜΕΤΡΙΚΑ (ΦΑΙΝΟΜΕΝΕΣ ΤΑΧΥΤΗΤΕΣ), ΜΕ …