반응 #6566

ord-10fea42bec564443a9bc5ae1ea51daad

반응 조건

상세 조건
See reaction.notes.procedure_details.

후처리

  1. 1
    온도After heating
  2. 2
    온도under reflux for 4 hours
  3. 3
    세척washed with ether
  4. 4
    추출extracted 4 times with ether
  5. 5
    건조The organic phase was dried over sodium sulphate
  6. 6
    여과filtered
  7. 7
    농축concentrated in a rotary evaporator

실험 절차

5.56 g (99 mmol) KOH flakes were dissolved in 6.82 ml water and 13.65 ml ethanol and then treated with 11.12 g (28.34 mmol) of dibenzyl 2-(3,4,4-trifluoro-3-butenyl)-malonate. After heating under reflux for 4 hours, the reaction mixture was poured into 30 ml water and washed with ether. The aqueous phase was acidified with dilute hydrochloric acid and extracted 4 times with ether. The organic phase was dried over sodium sulphate, filtered and then concentrated in a rotary evaporator.

출처

DOI: 10.6084/m9.figshare.5104873.v1특허: US05248810uspto-grants-1993_09