Facile palladium-catalysed synthesis of 1-aryl-1H-indazoles from 2-bromobenzaldehydes and arylhydrazines

Chan Sik Cho, Dong Kwon Lim, Nam Ho Heo, Tae Jeong Kim, Sang Chul Shim

Research output: Contribution to journalArticle

73 Citations (Scopus)

Abstract

2-Bromobenzaldehydes react with arylhydrazines in toluene at 100 °C in the presence of a catalytic amount of a palladium catalyst and phosphorus chelating ligands such as 1,1′-bis(diphenylphosphino)ferrocene and 1,3-bis(diphenylphosphino)propane along with NaO-t-Bu to afford 1-aryl-1H-indazoles in good yields.

Original languageEnglish
Pages (from-to)104-105
Number of pages2
JournalChemical Communications
Volume4
Issue number1
DOIs
Publication statusPublished - 2004 Jan 1

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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