1) 4CH4 + 2O2 -> C2H2 + H2O + CO2 + CO + 6H2 (500C)
2) C2H2 + H2O -> CH3COH (t, Hg)
3) CH3COH + H2 -> CH3-CH2-OH (P, kat)
4) CH3-CH2-OH + HBr = CH3-CH2-Br + H2O
5) CH3-CH2-Br + KOH -> CH2=CH2 + KCl + H2O(t)
6) CH2=CH2 + H2O -> CH3-CH2-OH
7) CH3-CH2-OH + CuO -> CH3COH + Cu + H2O