Synthesis and biological activity of 2-(4,5-dihydroisoxazol-5-yl)-1,3,4-oxadiazoles

Kristin A. Milinkevich, Choong L. Yoo, Thomas C. Sparks, Beth A. Lorsbach, Mark J. Kurth

Research output: Contribution to journalArticlepeer-review

24 Scopus citations


Acid hydrazides were coupled with acrylic acid derivatives and cyclodehydration gave 1,3,4-oxadiazoles. Lastly, in-situ nitrile oxide formation from aryl oximes treated with sodium hypochlorite, and subsequent 1,3-dipolar cycloaddition to the exomethylene moiety delivered 2-(4,5-dihydroisoxazol-5-yl)-1,3,4-oxadiazoles. This library was evaluated in a high-throughput screen at Dow AgroSciences. Several compounds were active against fungal pathogens and pest insects.

Original languageEnglish (US)
Pages (from-to)5796-5798
Number of pages3
JournalBioorganic and Medicinal Chemistry Letters
Issue number19
StatePublished - Oct 1 2009


  • 1,3,4-Oxadiazole
  • Diheterocylce
  • Insecticidal activity
  • Isoxazoline
  • Small molecule library

ASJC Scopus subject areas

  • Pharmaceutical Science
  • Drug Discovery
  • Organic Chemistry
  • Molecular Medicine
  • Molecular Biology
  • Clinical Biochemistry
  • Biochemistry


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