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The reaction of trifluoromethyl radicals with ammonia
The reaction of trifluoromethyl radicals with ammonia in the gas phase has been studied in the temperature range 30-352'. Product formation is not explicable ...
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The Kinetics of the Reaction of Trifluoromethyl Radicals with Ammonia
20017. The gas-phase reaction of trifluoromethyl radicals with ammonia has been studied over the temperature range. 81-252'. The trifluoromethyl radicals were ...
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Preparation, Reactions, and Physical Properties - ACS Publications
By the Reaction of Free Radicals with. 5. ..... though aqueous ammonia wm used in the reaction workup .... trifluoromethyl radicals and a heated bismuth mirror,.
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The Invention of Radical Reactions. 30. Diazirines as Carbon
When 3-(trifluoromethyl)-3-phenyldiazirine (13) is used as the trap, the thus formed imines can be ... development and use of free-radical reactions in organic synthesis.l. This fact is ..... Treatment of 19 with liquid ammonia afforded diaziridine ...
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Hydrogen abstraction reactions of mercury(II) - ScienceDirect
Mercury(II)bistrifluoromethylnitroxide, Hg[ON(CF3)2]2, reacts at or below room ... Although the radical does not react at 20with ammonia, the mercurial did so at ...
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carbonyl compounds i. aldehydes and ketones. addition reactions of
Especially important are the addition reactions of carbonyl groups, and this chapter is .... same reactivity differences would be expected for ethene and methanal in the radical- chain addition of ...... Methanal and ammonia react by a different course with the formation of a sub- .... carboxyl functions to trifluoromethyl groups:.
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Advances in the chemistry of stable nitroxides - iupac
methyl groups phenyl, trifluoromethyl, tert-butyl, etc. (ref. 9). For metal .... reaction of this radical with ammonia or amines resulted in fluorine substitution and ...
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Here - National Institute of Standards and Technology
Aug 11, 2015 ... Self-reaction of Ethyl and Ethylperoxy Radicals and the Reaction, O2 + C2H5 ... " Characterisation of the E 1A1 Rydberg State of Ammonia by Resonance Enhanced ..... "Multiphoton Ionization of the Trifluoromethyl Radical".
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3-Trifluoromethyl-3-phenyldiazirine - The Journal of Biological
The synthesis of 3-trifluoromethyl-3-phenyldiazirine. (TPD) is .... reaction with methanolic or liquid ammonia (10). The prepa- .... resulting radicals. The ability of a ...
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α,2-, α,3-, and α,4-Dehydrophenol Radical Anions - Digital
reacting o-benzyne radical anion with carbon dioxide and electron ionization of p -diazophenol. All three .... were added via pulsed or slow leak valves, and all reactions were monitored as ... a 1:1 methanol-water solution (v/v) containing 0.1 % ammonia. ..... occur with 1,4-benzoquinone, 3,5-bis(trifluoromethyl)nitroben- zene ...
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Aldrichimica Acta Vol. 45, No. 3 - Sigma-Aldrich
Jul 15, 2006 ... Difluoromethylation, and Trifluoromethylation. 45th. 1. 9. 6. 8. ALDRICHIMICA ..... in ammonia cross-coupling reactions employing Pd–L1, the catalyst resting state is an ...... Trifluoromethylation Involving Free Radicals. 4.
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CF Bond Activation in Organic Synthesis
activation of aryl fluorides and trifluoromethyl and perfluo- roalkyl compounds, all ... palladium-catalyzed cross-coupling reactions, the first step is oxidative addition ..... radical anion of C6F6, which readily eliminates fluoride anion.35 Overall, HF ..... solvated electrons in ammonia solution, with alkenes to form carbon-carbon ...
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Organic Dyes as Photoredox Catalysts - Chemistry at Illinois
May 3, 2016 ... The essential role that single-electron transfer (SET) reactions play in ... sodium trifluoromethylsulfinate as a trifluoromethyl radical source. ... Anilines were synthesized in a similar fashion using ammonium carbamate as an.
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PDF (131K) - Arkivoc
coupling of methyl 2-(trifluoromethyl-sulfonyloxy)benzoate with Ph2PCl. 13 ... The SRN1 reaction is a process in which radicals and radical anions are ... ions were easily prepared in liquid ammonia (-33 ºC) by the reaction of Ph3P with Na.
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Organic Mechanisms: Radicals Chapter 2 - Rutgers
However, it is common to have other radicals react and remove a hydrogen atom from a. C-H bond, thus .... E.g. Addition of trifluoromethyl iodide. .... Typical Birch reduction conditions are sodium in liquid ammonia that contains a small.
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THE PHOTOLYSIS OF TRIFLUOROMETHYL CYANIDE
initial pressure in the reaction cell was measured with a quartz spiral Bourdon gauge nulled with a ... found in a blanli hyclrogenation), ancl sollle ammonia. .... and some of the CF3. radicals by reaction with the polymer, attempts at absolute.
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PDF - Beilstein-Institut
Aug 18, 2010 ... specialist aspects such as perfluoroalkyl radicals [20-22], fluor- .... Scheme 13: Reactions of trifluoromethyl sulfenyl chloride with aryl magnesium and -mercury ..... of benzene and CF3I in liquid ammonia gives poly(trifluoro-.
[ 1860-5397-6-88.pdf - Read/Download File

Process for the preparation of fluorine containing crosslinked
Apr 9, 1979 ... free radical coupling of preformed triazine derivatives. material. However, ... involves (1) the reaction of ammonia with a per- perfluorinated organic ... CFY -. Reaction 11. wherein Y is a fluorine atom or a trifluoromethyl group,.
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The reductive decyanation reaction : chemical methods - Arkivoc
The latter is then protonated by ammonia in situ or by another proton donor ..... There was no evidence for radical intermediates in this reaction. We deduced ... An anomalous reduction of α-tosyloxy-α-(trifluoromethyl)phenylacetonitrile 36 with.
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Full-Text PDF - MDPI
Jan 30, 2012 ... was observed showing that all remaining radicals did react under ... after chemical derivatization with 4-(trifluoromethyl)benzaldehyde (TFBA) [38,48,49]. ...... Meyyappan, M. Functionalization of carbon nanotubes by ammonia.
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