Synthesis of some pyrazole-3-carboxylic acid-hydrazide and pyrazolopyridazine compounds

ILHAN I., Saripinar E., AKCAMUR Y.

JOURNAL OF HETEROCYCLIC CHEMISTRY, cilt.42, sa.1, ss.117-120, 2005 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 42 Sayı: 1
  • Basım Tarihi: 2005
  • Doi Numarası: 10.1002/jhet.5570420117
  • Dergi Adı: JOURNAL OF HETEROCYCLIC CHEMISTRY
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.117-120
  • Erciyes Üniversitesi Adresli: Evet

Özet

Furan-2,3-diones la-c react with various hydrazines 2a-c under different conditions to yield the pyrazole-3-carboxylic acid-hydrazide 3a-d. Cyclocondensation reactions of la or 7 with phenylhydrazine lead to derivatives of pyrazolo[3,4-d]pyridazinones 6 and 8, respectively. The structures of all products were confirmed by elemental analysis, IR, H-1- and C-13-NMR spectroscopic measurements.