CH2=CH2+HBr-->CH3CH2Br
CH3CH2Br+NaOH-△->CH3CH2OH+NaBr
2CH3CH2OH+O2-Cu,△->2CH3CHO+2H2O
2CH3CHO+O2-催化剂,△->2CH3COOH
CH3CH2OH+CH3COOH-浓硫酸,△->CH3COOCH2CH3+H2O