2C2H2+3H2O===CH3C=O-CH3+CO2+2H2        （催化剂ZnO,400℃) 
CH3C=O-CH3+Cl2===CH3C=O-CH2CL+HCL       (取代反应）
C6H6+CH3C=O-CH2CL===C6H5CH2C=OCH3     (催化剂ALCl3) 
C6H5CH2C=OCH3+CH3NH2===C6H5CH2C(CH3)(OH)-NH-CH3