CH3-OH CH3OH->
C4H9OH HCL->
CH3-CH2-CH2-OH->
CH3-OH + CH3OH -> CH3OCH3 + H2O (кат. конц. H2SO4)
C4H9OH + HCL -> C4H9Cl + H2O
CH3-CH2-CH2-OH -> CH3-CH=CH2 + H2O (кат. р-TosOH или конц. H2SO4)