例: so 2(CH3C)20+H0 OH CH3CO OCCH3 2CH3C0OH 93% 常用酰基化试剂 酚酯 0 0 H+,94 CH2=CH-C-OCH3 CH3CH2CH2CH2OH CH2=CH-C-0CH2 CH2 CH3 CH3OH 低级醇酯 酯交换反应 高级醇酯 HCI, H20 CH3CN C2H5OH H CH3C00C2H5 腈的醇解酯交换反应 CH2 =CH-C-OCH3 O + CH3 CH2 CH2 CH2 OH H + ,94% + CH3 OH O CH2 =CH-C-OCH2 CH2 CH2 CH3 低级醇酯 高级醇酯 CH3 CN + C2 H5 OH CH3 COOC2 H5 HCl,H2 O 腈的醇解 例： 2(CH3 C)2 O + O HO OH CH3 CO OCCH3 O O + 2CH3 COOH H2 SO4 93% 常用酰基化试剂 酚酯