Реакция #50554

ord-6a05132bb6f6479fa1f6059fc1b38eb9

Растворители

Условия реакции

Подробные условия
See reaction.notes.procedure_details.

Обработка

  1. 1
    ДругоеEvaporation and chromatography (silica, dichloromethane/ethyl acetate [95:5]) of the residue

Методика

4,5-Dihydro-1-phenyl-1H-pyrazol-3-amine (0.16 g), 4-amino-2,6-dimethylphenyl acetate (0.2 g), and toluene-4-sulfonic acid (0.02 g) were refluxed in toluene under nitrogen for 8 hours. Evaporation and chromatography (silica, dichloromethane/ethyl acetate [95:5]) of the residue gave the title product (0.15 g), as a solid.

Источник

DOI: 10.6084/m9.figshare.5104873.v1Патент: US05428044uspto-grants-1995_06