esterul malonic + RONa --> esterul malonic sodat
NaCH(COOR)2 + (CH3)2CHBr --> (CH3)2CH-CH(COOR)2 (B)
izopropil-estermalonic
(CH3)2CH-CH(COOR)2 + H2O --> (CH3)2CH-CH(COOH)2
(CH3)2CH-CH(COOH)2 --toC--> (CH3)2CH-CH2-COOH
(CH3)2CH-CH2-COOH = CH3-CH-CH2-COOH
l
CH3
acid β-metilbutiric
acid 3-metilbutanoic
=> E.
