Reactions of 3 H -furan-2-ones and 2 H -chromen-2-ones with pyrazole-3 (5)-diazonium salts

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Abstract: Derivatives of the new heterocyclic system, 6H-chromeno[4,3-e]pyrazolo[5,1-c][1,2,4]triazin-6-one, were obtained by the reaction of pyrazole-3 (5)-diazonium salts with 4-hydroxy-2H-chromen-2-one. Similar reactions with 5-phenyl-3H-furan-2-one followed by intramolecular heterocyclization furnished 6-(4-halophenyl)-7-alkyl-2-phenylfuro[2,3-e]pyrazolo[5,1-c][1,2,4]triazines.

Location: Deutsche Nationalbibliothek Frankfurt am Main

Extent: Online-Ressource

Language: Englisch

Bibliographic citation: Reactions of 3 H -furan-2-ones and 2 H -chromen-2-ones with pyrazole-3 (5)-diazonium salts ; volume:24 ; number:4 ; year:2018 ; pages:183-185 ; extent:3
Heterocyclic communications ; 24, Heft 4 (2018), 183-185 (gesamt 3)

Creator: Mokhonova, Inna D.
Maksimov, Evgenij A.
Ledenyona, Irina V.
Yegorova, Alevtina Y.
Shikhaliev, Khidmet S.

DOI: 10.1515/hc-2017-0192

URN: urn:nbn:de:101:1-2501130627156.145297284986

Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.

Last update: 15.08.2025, 7:33 AM CEST

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Mokhonova, Inna D.
Maksimov, Evgenij A.
Ledenyona, Irina V.
Yegorova, Alevtina Y.
Shikhaliev, Khidmet S.

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