반응 #93293

ord-3b38ebaffbb746fc913cc6edd3b81482

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.DISTILLATIONAfter distillation under vacuum the residue
  2. 2
    workup.ADDITIONis poured into water and neutralized with NaOH 10%
  3. 3
    여과The compound of the title is recovered by filtration

실험 절차

1-Methyl-4-pyridinone (1.1 mole) is added to 1,3-dimethyl-5-pyrazolamine (1 mole). The reaction mixture is kept at a temperature between 70° C. and 80° C. for a period of about 8 hours. After distillation under vacuum the residue is poured into water and neutralized with NaOH 10%. The compound of the title is recovered by filtration. M.p. 262°-265° C.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US04612318uspto-grants-1986_09