lectures and exercises: Wednesday, December 12
acid-base properties of organic molecules . Comparison of the basicity of pyrrole and pyridine. Scale of acidity. 2-Bromobutane acid, 3-bromo propionic acid, butyric acid, 2-methyl-1-butanol. Basicity scales. Aromatic amines and aliphatic amines. Aniline, 2-nitroaniline, dimethylamine, ethylamine, acetamide, 2,4-Dichlorotoluene; acetamide.
acid-base properties of organic molecules . Separation of a mixture of organic acid sfruttuando their basic properties. Acid 3,5-dimethylbenz, 2-chloro-4-metilanilina, 1,2-dimethyl-3-propylbenzene. Immiscibility between organic solvents and aqueous solutions. Using ET20 as a solvent and aqueous solutions of NaOH 0.1M and 3M HCl.
aminocarboxylates acids. alpha-amino acids, beta-amino acids, gamma-amino acids. Physical and chemical properties. Zwitterionic. The 20 proteinogenic amino acids. Stereochemistry. Steric series. L-amino acids. Absolute configurations. Valine, leucine and isoleucine. Threonine. L-cysteine, L-alanine. Acid (2S, 3R)-2-amino-3-hydroxybutanoic. Essential amino acids. Amino acids and diet. Acid-base properties. Isoelectric point of amino acids.
peptides. Symbolism to three letters for alpha-amino acids. Amide bond formation. Uniqueness of the peptide structures. Report of structural isomerism between the dipeptides Ala-Gly and Gly-Ala. Tetrapeptide Leu-Phe-Gly-Ala. Protein: Hemoglobin.
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