About: An NMR and X-Ray Study of the Structure of Azo Coupling Product of 4-Dimethylaminopent-3-en-2-one and Benzenediazonium-tetrafluoroborate

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About: An NMR and X-Ray Study of the Structure of Azo Coupling Product of 4-Dimethylaminopent-3-en-2-one and Benzenediazonium-tetrafluoroborate Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	4-Dimethylaminopent-3-en-2-on reaguje se dvěma molekulami benzendiazonium- tetrafluoroboratu. Struktura produktu byla určena pomocí of X-ray analýzy krystalu a 1H, 13C a 15N NMR spektra roztoku v CDCl3. Molekula látky obsahuje jednu azo a jednu hydrazo skupinu. Látka existuje v krystalu i v roztoku při koncentraci vyšší než 0.1 mol l?1 ve formě dimerů, ve kterých je dvojice molekul vázána vzájemně dvěma vodíkovými vazbami N?H?N. Při zřeďování roztoku se dimery rozpadají a vznikají dvě formy, které jsou v rovnováze rychlé v časové škále NMR. (cs) 4-Dimethylaminopent-3-en-2-one reacts with two molecules of benzenediazonium tetrafluoroborate. The structure of this compound was determined by means of X-ray analysis of its crystal and 1H, 13C and 15N NMR spectra of its solution in CDCl3. The molecule of this compound contains one azo group and one hydrazone group. The substance exists, both in crystal and in solutions of concentrations above 0.1 mol l?1, in the form of dimmers, in which the pair of molecules are bound by two hydrogen bonds N?H?N. On diluting the solution, the dimers decompose, the two forms being in an equilibrium that is rapid in NMR time scale. 4-Dimethylaminopent-3-en-2-one reacts with two molecules of benzenediazonium tetrafluoroborate. The structure of this compound was determined by means of X-ray analysis of its crystal and 1H, 13C and 15N NMR spectra of its solution in CDCl3. The molecule of this compound contains one azo group and one hydrazone group. The substance exists, both in crystal and in solutions of concentrations above 0.1 mol l?1, in the form of dimmers, in which the pair of molecules are bound by two hydrogen bonds N?H?N. On diluting the solution, the dimers decompose, the two forms being in an equilibrium that is rapid in NMR time scale. (en)
Title	NMR a X-ray studium struktury produktu azokopulace 4-dimethylaminopent-3-en-2-onu s benzenediazonium-tetrafluoroborátem (cs) An NMR and X-Ray Study of the Structure of Azo Coupling Product of 4-Dimethylaminopent-3-en-2-one and Benzenediazonium-tetrafluoroborate An NMR and X-Ray Study of the Structure of Azo Coupling Product of 4-Dimethylaminopent-3-en-2-one and Benzenediazonium-tetrafluoroborate (en)
skos:prefLabel	NMR a X-ray studium struktury produktu azokopulace 4-dimethylaminopent-3-en-2-onu s benzenediazonium-tetrafluoroborátem (cs) An NMR and X-Ray Study of the Structure of Azo Coupling Product of 4-Dimethylaminopent-3-en-2-one and Benzenediazonium-tetrafluoroborate An NMR and X-Ray Study of the Structure of Azo Coupling Product of 4-Dimethylaminopent-3-en-2-one and Benzenediazonium-tetrafluoroborate (en)
skos:notation	RIV/00216275:25310/03:00000598!RIV08-GA0-25310___
http://linked.open.../vavai/riv/strany	3250-3256
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA203/03/0356)
http://linked.open...iv/cisloPeriodika	18
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Šimůnek, Petr Macháček, Vladimír
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	597999
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/03:00000598
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Azokopulace; enaminony; X-ray; NMR (en)
http://linked.open.../riv/klicoveSlovo	NMR Azokopulace enaminony X-ray
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[B5FE37984E5B]
http://linked.open...i/riv/nazevZdroje	Organic & Biomolecular Chemistry
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Tautomerism and hydrogen bonding in beta-eneminone derivatives. Multinuclear and X-ray study
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	1
http://linked.open...iv/tvurceVysledku	Šimůnek, Petr Lyčka, Antonín Macháček, Vladimír Bertolasi, Valerio
issn	1477-0520
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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