酸催化下的反应机理: +OH OH H CH3-C-Ch CH3-C-CH3+→CH3C-CH2 BOH +OH Br—Br H CH3c=ch CH3C—CHBr CH3-c-ch, brOrganic Chemistry Organic Chemistry Xiamen Xiamen University University 酸催化下的反应机理: CH 3 C C H 3 O H + CH 3 C C H 3 O H CH 3 C C H 3 O H H + CH 3 C C H 2 O H Br Br CH 3 C C H 2Br O H H + CH 3 C C H 2Br O