ch4-c2h2-ch3coh-ch3cooh-ch3cooc3h7

2CH4 --(t)-- CH≡CH + 3H2
CH≡CH + H2O --(Hg²⁺)-- CH3-CHO
CH3-CHO + Ag2O ---(t,NH3)-- CH3-COOH + 2Ag
CH3-COOH + C3H7-OH --(t,H2SO4 конц)--  CH3-CO-O-C3H7 + H2O