Bulletin of the Academy of Sciences of the USSR Division of Chemical Science p. 1361 - 1365 (1991)
Update date:2022-08-11
Topics:
Belokon, Yu. N.
Tararov, V. I.
Maleev, V. I.
Motsishkite, S. M.
Vitt, S. V.
et al.
We propose a method for the synthesis of aspartic and α-methylaspartic acids by alkylation with ethyl bromoacetate of the α-carbon atom of the amino acid moiety in Ni(II) complexes of Schiff bases of glycine with (S)-2-<(N-benzylprolyl)amino>benzophenone and alanine with (S)-2-<(N-benzylprolyl)amino>benzaldehyde, respectively.Attempts to synthesize α-methylaspartic acid by oxidative cleavage of the C=C bond to a COOH group in the complex of the Schiff base of α-allylalanine with (S)-2-<(N-benzylprolyl)amino>benzophenone were unsuccessful.
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