Stable pyrazolium betaines by addition of 1,1-dialkyl-hydrazines to acetylenecarboxylic esters

Angew Chem Int Ed Engl. 1975 Aug;14(8):560-1. doi: 10.1002/anie.197505602.
No abstract available

MeSH terms

  • Betaine / analogs & derivatives*
  • Betaine / chemical synthesis
  • Pyrazoles / chemical synthesis*

Substances

  • Pyrazoles
  • Betaine