Which of the following would provide a synthesis of valine?
A) Potassium phthalimide,(CH3) 2CHCHClCO2C2H5; then KOH/H2O; then HCl
B) (CH3) 2C=CHCH2OH,HBr/peroxides; then CrO3/H2SO4/H2O; then excess NH3
C) Potassium phthalimide,(CH3) 2CHCH2Br; then KOH/H2O; then CO2,H3O+
D) CH3CH2COOH,(C6H5) 3CNa; then NH3
E) Two of these choices.
Correct Answer:
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