Phenacyl bromide → Ethanone, 2-(acetyloxy)-1-phenyl-

反応式

Br[CH2:2][C:3]([C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:4].[C:11]([O:14]C(=O)C)(=[O:13])[CH3:12].C([O-])(=O)C.[Na+]>C(O)(=O)C>[C:11]([O:14][CH2:2][C:3]([C:5]1[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1)=[O:4])(=[O:13])[CH3:12]

参加物

反応条件

温度: 60 °C

実験手順

A mixture of 2-bromoacetophenone (199 g, 1.0M), acetic acid (200 mL) and acetic anhydride (30 mL) was stirred and heated to about 60° C. Anhydrous sodium acetate (100 g, 1.2M) was added and the reaction mixture was heated and stirred at about 130° C. for 6.0 hrs and then allowed to cool. To remove most of the salt, the reaction mixture was filtered through a sintered glass funnel. The acetic acid and acetic anhydride were removed from the filtrate using a rotary evaporator. A white solid was obtained upon cooling (yield--97.0 g). Mass spectroscopy supported the proposed structure.