Reactions of 4-acetylsydnones with hydrazine: Formation of 2,4- dihydropyrol-3-ones

Hsien Ju Tien, Shaw Tao Lin, Mei Lin Yang

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


Reactions of 4-acetylsydnones with hydrazine at room temperature yielded a series of 2,4-dihydropyrazol-3-ones. The cycloaddition via sydnone rings with loss of a nitrogen oxide ion is a new type of reaction for the application of sydnone in organic synthesis.

Original languageEnglish
Pages (from-to)95-102
Number of pages8
Issue number1
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Pharmacology
  • Organic Chemistry


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