Synthesis of 3-aroyl-4-(3-chromonyl)-2-pyrazolines

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Abstract

New 3-aroyl-4-(3-chromonyl)-2-pyrazolines have been synthesized by the reaction of 3-(3-aryl-3-oxopropenyl)chromen-4-ones and diazomethane. Some of these 2-pyrazolines have also been N-acylated with a mixture of anhydrous pyridine and acetic anhydride or propionic anhydride. Structures of all new compounds have been elucidated by elemental analyses, mass spectrometry, ir and nmr spectroscopic measurements.

Original languageEnglish
Pages (from-to)1333-1336
Number of pages4
JournalJournal of Heterocyclic Chemistry
Volume39
Issue number6
DOIs
Publication statusPublished - Jan 1 2002

ASJC Scopus subject areas

  • Organic Chemistry

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