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Studies on the Reactions of Cyclic Oxalyl Compounds With Hydrazines or Hydrazones

dc.authorid Bildirici, Ishak/0000-0001-8590-3070
dc.authorscopusid 7103016054
dc.authorscopusid 6508202387
dc.authorscopusid 36451362100
dc.authorscopusid 23023913800
dc.authorscopusid 6603631019
dc.authorwosid Bildirici, Ishak/Hpc-6876-2023
dc.contributor.author Sener, A
dc.contributor.author Kasimogullari, R
dc.contributor.author Sener, MK
dc.contributor.author Bildirici, I
dc.contributor.author Akçamur, Y
dc.date.accessioned 2025-05-10T17:15:11Z
dc.date.available 2025-05-10T17:15:11Z
dc.date.issued 2002
dc.department T.C. Van Yüzüncü Yıl Üniversitesi en_US
dc.department-temp Yil Univ, Art & Sci Fac, Dept Chem, TR-65080 Van, Turkey; Ataturk Univ, Art & Sci Fac, Dept Chem, Erzurum, Turkey; Erciyes Univ, Art & Sci Fac, Dept Chem, Kayseri, Turkey en_US
dc.description Bildirici, Ishak/0000-0001-8590-3070 en_US
dc.description.abstract The 1H-pyrazole-3-carboxylic acid 2, obtained from the furan-2,3-dione 1 and N-Benzylidene-N'-(3-nitrophenyl) hydrazine, was converted via reactions of its acid chloride 3 with various alcohols or N-nucleophiles into the corresponding ester or amide derivatives 4 or 5, respectively. Nitrile 6 and anilino-pyrazole acid 7 derivatives of 2 were also obtained by dehydration of 5a in a mixture of SOCl2 with DMF and reduction of 2 with sodium polysulphide, respectively. While cyclocondensation reactions of 2 or 7 with phenyl hydrazine or hydrazine hydrate and 6 with only anhydrous hydrazine lead to derivatives of pyrazolo[3,4-d]pyridazinone 8 and pyrazolo[3,4-d]pyridazine amine 9, respectivel. The reaction of 2 with 2-hydrazino-pyridine provided hydrazono-pyrazole acid derivative 10, which was decarboxylated to give hydrazono-pyrazole derivative 11. Pyrazolo[4,3-d]oxazinone 12 and 2-quinolyl pyrazolo[3,4-d]pyridazine 13 derivatives were also prepared by cyclocondensation reactions of 2 with hydroxylamine hydrochloride and 7 with acetaldehyde, respectively. en_US
dc.description.woscitationindex Science Citation Index Expanded - Index Chemicus
dc.identifier.doi 10.1002/jhet.5570390503
dc.identifier.endpage 875 en_US
dc.identifier.issn 0022-152X
dc.identifier.issn 1943-5193
dc.identifier.issue 5 en_US
dc.identifier.scopus 2-s2.0-0036744896
dc.identifier.scopusquality Q2
dc.identifier.startpage 869 en_US
dc.identifier.uri https://doi.org/10.1002/jhet.5570390503
dc.identifier.uri https://hdl.handle.net/20.500.14720/8548
dc.identifier.volume 39 en_US
dc.identifier.wos WOS:000178503400003
dc.identifier.wosquality Q2
dc.language.iso en en_US
dc.publisher Wiley en_US
dc.relation.publicationcategory Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı en_US
dc.rights info:eu-repo/semantics/closedAccess en_US
dc.title Studies on the Reactions of Cyclic Oxalyl Compounds With Hydrazines or Hydrazones en_US
dc.type Article en_US

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