2СH4 -> CH=-CH + 3H2
CH=-CH -> CH3COH (t, Hg)
CH3COH + H2 -> CH3-CH2-OH (p, kat)
CH3-CH2-OH + HCl -> CH3-CH2-Cl + H2O
CH3-CH2-Cl + 2Na + Cl-CH2-CH3 -> CH3-CH2-CH2-CH3 + 2NaCl
