СН3ОН → СН3СООСН3 → СН3ОН → НСОН
H2SO4,t
CH3OH + CH3COOH ---------------> CH3COOCH3 + H2O
NaOH
CH3COOCH3 + HOH --------------> CH3COOH + CH3OH
kt,t
CH3OH + [O] ---------------> HCOH + H2O