10 jobs in organic chemistry (K / P 2, option 2)

1. Get malic acid and its example tell us about the optical antipodes, racemates.
2. Give the concept of keto acids. Write Scheme producing pyruvic acid. Tell us about what it means.
3. Write the scheme of the nitration reaction of isopentane Konovalov. What is the mechanism of this reaction?
4. In what kind of environment should be conducted coupling reaction of diazonium salts with: a) phenol; b) amines? Give examples. Tell us about the chromophore and auksohromnyh groups.

5. Obtain two mixed dipeptide of glutamic acid and phenylalanine.
6. Tell us about the use of drying oils.
7. Write the scheme of education pyranose and furanose - and -forms: a) D-glucose; b) D-fructose; a) L-arabinose. Specify them hemiacetal hydroxyl what else he has a name?
8. Can the sucrose to tautomerism? In what appears similar chemical properties of sucrose and maltose?
9. Write a circuit structure of the starch. Why is this not oxidized polysaccharide weak oxidants.
10. Write the formula of caffeine and theobromine. Derivatives of heterocyclic compounds are they? Where they occur, and what used?