Fused heterocycles 11. Synthesis of tricyclic fused pyrazolines by the reaction of 3-arylidenechromanones and 3-arylidene-1-thiochromanones with hydrazine

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Abstract

New tricyclic fused pyrazolines 8-21 have been synthesized by the reaction of 3-arylidenechromanones 1-4 and 3-arylidene-1-thiochromanones 5-7 with hydrazine in hot acetic acid or propionic acid solution. Structures of all new compounds have been elucidated by microanalyses, 1H- and 13C-NMR, IR and mass spectroscopic measurements.

Original languageEnglish
Pages (from-to)26-39
Number of pages14
JournalArkivoc
Volume2007
Issue number8
DOIs
Publication statusPublished - 2007

Keywords

  • 3-Arylidenechromanones
  • 3-arylidene-1-thiochromanones
  • Hydrazine
  • Pyrazolines

ASJC Scopus subject areas

  • Organic Chemistry

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