CH3CH=CH2 + Cl2--CH3CHClCH2ClCH3CHClCH2Cl +2NaOH--CH3CH(OH)CH2OH+2NaClCH3CH(OH)CH2OH + O2--Cu/Ag--CH3C(O)CHO +2H2O2CH3C(O)CHO+ O2 ---催化剂----2CH3C(O)COOHCH3C(O)COOH + H2--CH3CH(OH)COOH