SEARCH Articles Figures Tables 4- Amino-1 -substituted imidazoles reaction with anhydrides A-Amino acid “anhydrides Acetic anhydride, reaction with amino Acid anhydrides with amino acids Amino acid anhydrides Amino acids reaction with anhydrides Anhydrides with amino acids Anhydrides, preparation from amino acids Carboxylic acid anhydrides with amino acids N-Carboxy a-amino acid anhydrides NCAs) N-carboxy-a-amino acid anhydride Polymerization of N-carboxy-a-amino acid anhydrides Reversible modification of amino groups with maleic anhydride and similar reagents Symmetric and Mixed Amino Acid Anhydrides