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Dehydroaspartic acid derivatives

T Kolasa, E Gross

    International Journal of Peptide and Protein Research
    |September 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Beta-hydroxyaspartic acid dipeptides were converted to O-tosyl derivatives. Base-catalyzed elimination yielded aminofumaric acid derivatives, with mechanisms and properties discussed.

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    Area of Science:

    • Organic Chemistry
    • Biochemistry

    Background:

    • Beta-hydroxyaspartic acid is a non-proteinogenic amino acid with potential biological significance.
    • Dipeptide synthesis and modification are crucial for developing novel compounds.

    Purpose of the Study:

    • To synthesize aminofumaric acid derivatives from beta-hydroxyaspartic acid dipeptides.
    • To investigate the mechanism and spectroscopic properties of the elimination reaction.

    Main Methods:

    • Synthesis of O-tosyl derivatives of threo- and erythro-beta-hydroxyaspartic acid dipeptides.
    • Base-catalyzed elimination reaction.
    • Spectroscopic analysis (e.g., NMR, IR) of the products.

    Main Results:

    • Successful transformation of dipeptides into O-tosyl derivatives.

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  • Formation of aminofumaric acid derivatives via base-catalyzed elimination.
  • Characterization of the spectroscopic properties of the resulting compounds.

    • Conclusions:

    • The study demonstrates a viable synthetic route to aminofumaric acid derivatives.
    • The findings provide insights into the reaction mechanism and spectral characteristics of these compounds.