Ch3ch2cl2--> ch3cho--> (h2,кат)x1--> c2h5nh2--> (co,> x2--> (t)x3

CH3-CH2-Cl2 + 2NaOH(водн.) => CH3-CHO + 2NaCl + H2O
CH3-CHO + H2 => CH3-CH2-OH
CH3-CH2-OH + NH3 => CH3-CH2-NH2 + H2O
CH3-CH2-NH2 + H20 + CO2 => (CH3-CH2-NH3)2CO3
(CH3-CH2-NH3)CO3 => CH3-CH2-NH2 + CO2 + H2O