Amines, amino acids and proteins

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Proteins are a particularly important type of natural polymer. Proteins consist of amino acids. The three-dimensional shapes of natural amino acids and proteins play an important part in determining their properties. Understanding the chemistry of the amino group in amines helps to make sense of the behaviour of amino acids and protiens.

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Recently Asked Questions

• I have done the experiment of separation of amino acids by paper chromatography. Why is it necessary to cover the beaker holding the solvent? In practice, the chromatography paper is rolled into a cylindrical form. The ends of the paper are stapled together. Why shouldn't the edges touch each other? The positions of the amino acids in the chromatogram can be detected by spraying with ninhydrin. How does ninhydrin react with amino acids to yield highly coloured products? 280410
• Could you please explain to me why ethylamine is never prepared by reaction of iodoethane and alcoholic ammonia? If there was no alternative, what could be done to maximize the yield of ethylamine? 181209
• How would you go about synthesising ethanoyl propylamine, CH₃CH₂CH₂NHCOCH₃ from a halogenoalkane? I am confused about how to change the C-Br group into a -CONH- peptide bond? 170709

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• Amino acids and proteins (A2)

updated: 26 April 2004