1.羟基酸的制法 (1)卤代酸水解 CH3CH2CHCOOH K2 CO3, H,0, 100%-CH3CH2CHCOOH ②H,69% OH (2)羟基腈水解 CH3 CH CH3CIC-0-HCN- CH3 CN NHCL CH3CH2C-COOH OH OH CH2-CH2 NaCN CH2-CH2 MAHCI CH2CH2- COOH OH 80% OH 75%~801. 羟基酸的制法 （1）卤代酸水解 CH3CH2CHCOOH Br OH + CH3CH2CHCOOH H ① ％ ② K2CO3, H2O, 100 , 69％ （2）羟基腈水解 CH3CH2C O CH3 CH3CH2C CH3 OH CN CH3CH2 CH3 C COOH OH HCN 稀HCl NaCN 80％ CH2 CH2 OH CN 稀HCl 75％～80 CH2CH2 COOH OH CH2 CH2 OH Cl