某些醇与卤化氢的反应挥发生重排: CH CH3 HBr H3C-C-CH2OH H3c-C-CH2CH 3 CH Br (主 氢卤酸的影响: HI(57%) CH3 CH2CH2 CH,I CH3 CH2CH2 CH2OH HBr(48% CH3 CH2CH2 Br △ HC(36%) EnCa/4 CH3 CH, CH? CH?CI某些醇与卤化氢的反应挥发生重排： C CH3 H3 C CH3 CH2OH C CH3 H3 C Br CH2 CH3 （主） HBr 氢卤酸的影响 ： CH3CH2CH2CH2OH HI(57%) HBr(48%) HCl(36%) CH3CH2CH2CH2I ZnCl 2 /  CH3CH2CH2CH2Br CH3CH2CH2CH2Cl