반응 #4336

ord-363bfb4003904efb8b5cf573bf65a281

반응 방정식

Nc1cc(Br)c([N+](=O)[O-])cc1Br
2,5-dibromo-4-nitroaniline
Nc1cc(Br)c([N+](=O)[O-])cc1Br
compound B
Nc1cc(Br)c([N+](=O)[O-])cc1Br
2,5-dibromo-4-nitroaniline
NCCO
ethanolamine
Nc1cc(NCCO)c([N+](=O)[O-])cc1Br
2-β-hydroxyethylamino-4-amino-5-bromonitrobenzene

용매

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.ADDITIONhave been added
  2. 2
    온도The mixture is heated
  3. 3
    온도After cooling
  4. 4
    기타dilution of the reaction mixture with 100 ml of iced water, the expected product precipitates

실험 절차

0.02 mole (5.92 g) of 2,5-dibromo-4-nitroaniline (compound B) is added to 15 ml of 96° ethanol to which 12 ml of ethanolamine have been added. The mixture is heated in refluxing alcohol for 6 h 30 min. After cooling and dilution of the reaction mixture with 100 ml of iced water, the expected product precipitates.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US04725283uspto-grants-1988_02