Acetic Acid → Phenacyl bromide

반응식

[C:1]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)(=[O:3])[CH3:2].C(O)(=O)C.[Br:14]Br>>[Br:14][CH2:2][C:1]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][CH:5]=1)=[O:3]

참가 물질

반응물 3

HCID 176Acetic Acid

HCID 7410Acetophenone

HCID 24408Bromine

생성물 1

HCID 6259Phenacyl bromide수율 41%

실험 절차

Reaction of acetophenone (5.0 g, 42.00 mmol), acetic acid (2.4 mL, 42.00 mmol), and bromine (2.5 mL, 48.00 mmol) followed by recrystallisation from cold EtOAc/Hexane gave the title compound (3.4 g, 41%) as a white crystal. 1H NMR (300 MHz, CDCl3) δ 4.47 (s, 2H), 7.51 (d, 2H, J=7.5 Hz), 7.63 (t, 1H, J=7.5 Hz), 8.00 (d, 2H, J=7.2 Hz).