Question

Synthesis of phenylalanine using Pthalimide metod.​

Answer 1

Answer:

The amidomalonate synthesis is a simple variation of the malonic ester synthesis (Section 22.7). A base abstracts a proton from the alpha carbon, which is then alkylated with an alkyl halide. Then both the hydrolysis of the esters and the amide protecting group under aqueous acidic conditions generates the α‑amino acid.

preparing alpha-amino acids with amidomalonate synthesis

Another method of getting to the α‑amino acid is by reductive amination of the α‑keto acid which you have also previously encountered (Section 24.6).

preparing alpha-amino acids by reductive amination of the alpha-keto acid.

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