반응 #170962

ord-86196e2ea1f94f5e91762a46aaf07482

용매

반응 조건

온도
10°CELSIUS
상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    workup.DISTILLATIONExcess conc. HCl was distilled off in vacuum
  2. 2
    여과filtered hot
  3. 3
    여과filtered
  4. 4
    기타dried

실험 절차

2-(4-Acetylaminophenoxy)-propionic acid methyl ester 8 (320 g, 1.35 mol) in conc. HCl (8 L) was refluxed for 48 hours. Excess conc. HCl was distilled off in vacuum and filtered hot. The mixture was cooled to 10° C., filtered and dried to give pure 9 (240 g, 81.7%) as a brown powder with an m.p between 175-180° C.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US08846845B2uspto-grants-2014_09