Conclusions
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1.
We have synthesized chiral Ni(II) complexes containing a Schiff base of dehydroalanine with (S)-o-(N-benzylprolyl)aminoacetophenone and (S)-o-(N-benzylprolyl)aminobenzophenone.
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2.
Addition of thiophenol and benzylmercaptan to the double bond of dehydroalanine in these complexes with subsequent separation of the diastereomeric complexes of S-phenylcysteine and S-benzylcysteine formed gives optically pure L-S-phenylcysteine and L-S-benzylcysteine.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1618–1624, July, 1988.
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Belokon', Y.N., Dzhamgaryan, S.M., Sagiyan, A.S. et al. Asymmetric biomimetic synthesis of S-substituted L- and D-cysteines via chiral Ni(II) complexes of dehydroalanine. Russ Chem Bull 37, 1434–1440 (1988). https://doi.org/10.1007/BF00962757
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DOI: https://doi.org/10.1007/BF00962757