About: Intra-intermolecular criss-cross cycloaddition of nonsymmetrical allenylazines with fluorinated enone as an initial step in the synthesis of 4H-pyrrolo[1,2-b]pyrazoles

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About: Intra-intermolecular criss-cross cycloaddition of nonsymmetrical allenylazines with fluorinated enone as an initial step in the synthesis of 4H-pyrrolo[1,2-b]pyrazoles Goto Sponge Distinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Nonsymmetrical allenylazines undergo in boiling xylene intramolecular cycloaddition via formation of an unstable 1,3-dipole, which reacts with an added dipolarophile. In this paper we pay attention to the first intra-intermolecular criss-cross cycloaddition with a fluorinated enone. Although the expected products with three fused heterocycles were not isolated, new bicyclic products were found and characterized. These compounds are formed by a spontaneous transformation connected with fluorine atom migration and hydrogen fluoride elimination. A mechanism of the reaction is discussed to explain the formation of these new heterocycles. Nonsymmetrical allenylazines undergo in boiling xylene intramolecular cycloaddition via formation of an unstable 1,3-dipole, which reacts with an added dipolarophile. In this paper we pay attention to the first intra-intermolecular criss-cross cycloaddition with a fluorinated enone. Although the expected products with three fused heterocycles were not isolated, new bicyclic products were found and characterized. These compounds are formed by a spontaneous transformation connected with fluorine atom migration and hydrogen fluoride elimination. A mechanism of the reaction is discussed to explain the formation of these new heterocycles. (en)
Title	Intra-intermolecular criss-cross cycloaddition of nonsymmetrical allenylazines with fluorinated enone as an initial step in the synthesis of 4H-pyrrolo[1,2-b]pyrazoles Intra-intermolecular criss-cross cycloaddition of nonsymmetrical allenylazines with fluorinated enone as an initial step in the synthesis of 4H-pyrrolo[1,2-b]pyrazoles (en)
skos:prefLabel	Intra-intermolecular criss-cross cycloaddition of nonsymmetrical allenylazines with fluorinated enone as an initial step in the synthesis of 4H-pyrrolo[1,2-b]pyrazoles Intra-intermolecular criss-cross cycloaddition of nonsymmetrical allenylazines with fluorinated enone as an initial step in the synthesis of 4H-pyrrolo[1,2-b]pyrazoles (en)
skos:notation	RIV/00216224:14310/06:00017011!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 143100011)
http://linked.open...iv/cisloPeriodika	2006
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Nečas, Marek Potáček, Milan Man, Stanislav
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	480251
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/06:00017011
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	criss-cross; cycloaddition; 1-3-dipoles; nonsymmetrical azines; allenes (en)
http://linked.open.../riv/klicoveSlovo	allenes cycloaddition criss-cross 1-3-dipoles nonsymmetrical azines
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[AFF1AD9E89C0]
http://linked.open...i/riv/nazevZdroje	European Journal of Organic Chemistry
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2006
http://linked.open...v/svazekPeriodika	2006
http://linked.open...iv/tvurceVysledku	Man, Stanislav Nečas, Marek Potáček, Milan Bouillon, Jean-Philippe Portella, Charles
http://linked.open...ain/vavai/riv/wos	000239528100021
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20143100011
issn	1434-193X
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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