2C2H2+3H2O===CH3C=O-CH3+CO2+2H2 (催化剂ZnO,400OC)

或2O2+CH3CH=CH2===CH3C=OCH3 (PtCL2,CuCL2.90-120OC,9-12个大气压)

CH3C=O-CH3+CI2===CH3C=O-CH2CL+HCL (取代反应)
……