CH3CH(Br)CH2(Br) + 2KCN → CH3CH(CN)CH2(CN)+2KBr
CH3CH(CN)CH2(CN) + 4H2O +2HCl→ CH3CH(COOH)CH2(COOH) +2NH4Cl
CH3CH(COOH)CH2(COOH)+2CH3CH(OH)CH3→
CH3CHC(O)OCH(CH3)2CH2COOCH(CH3)2 +H2O (H2SO4)
CH3CH(Br)CH2(Br) + 2KCN → CH3CH(CN)CH2(CN)+2KBr
CH3CH(CN)CH2(CN) + 4H2O +2HCl→ CH3CH(COOH)CH2(COOH) +2NH4Cl
CH3CH(COOH)CH2(COOH)+2CH3CH(OH)CH3→
CH3CHC(O)OCH(CH3)2CH2COOCH(CH3)2 +H2O (H2SO4)