反応 #76390

ord-a7b479eeafe747819e2c1e5af927d0a5

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

  1. 1
    その他quenched with hydrochloric acid (5%)
  2. 2
    ろ過filtered
  3. 3
    その他resulted white solid
  4. 4
    洗浄washed with water
  5. 5
    その他dried under vacuum

実験手順

A solution 4-(5,5,6,6,7,7,8,8,8-nonafluoro-octyl)-cyclohex-3-enecarboxylic acid ethyl ester (41) (1 equi.) and potasium hydroxide (3.5 equi.) in water-ethanol (1:1) (25 mL/mmole) was stirred at 80 C temperature for 2 h., cooled to room temperature and quenched with hydrochloric acid (5%), filtered resulted white solid, washed with water and dried under vacuum to give 4-(5,5,6,6,7,7,8,8,8-nonafluoro-octyl)-cyclohex-3-enecarboxylic acid (42) as a white solid (93%).

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US06703082B1uspto-grants-2004_03