Abstract:The article describes the synthesis of ammonium salts of maleamic acids containing amino acid fragments. At the first stage, the interaction of maleic anhydride with aliphatic and aromatic amino acids yielded the corresponding maleamic acids. Glycine, α-alanine, ε-aminocaproic, para-aminosalicylic, ortho-, meta- and para-aminobenzoic acids were used as amino acids. In the case of aliphatic amino acids, the process was carried out in an aqueous or aqueous-acetone (2: 1) medium. For aromatic amino acids, acetone… Show more
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