10 jobs in organic chemistry (K / P 2, option 3)

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Uploaded: 05.02.2015
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1. Offer a scheme for the synthesis of citric acid from , -dichloroacetone. What turns citric acid when heated?

2. The example of glyoxylic acid characterize chemical properties of aldehyde.

3. The position of the benzene ring which directs nitro substituents in the nucleophilic substitution reactions? Carry out the reaction of nitrobenzene with powdered potassium hydroxide under heating.
4. Bring Scheme diazocompounds coming with the release of nitrogen oxide without isolation.

5. Write a reaction scheme for producing a dipeptide: a) leytsilalanina;
b) valilglitsina. Enter a peptide bond and quality reaction to it.

6. Give an explanation of the soaps. What is a liquid soap?
7. What reactions glucose prove that its molecule has five hydroxyl groups and one aldehyde?
8. acetyl sucrose will act. Does sugar reducing properties?
9. Write the structure of a fragment of tissue using formulas Heuorsa. Write circuit resulting fragments triacetate cellulose.
10. Why has the thiophene aromatic properties? Write for it (2 ... 3 example) circuit electrophilic substitution reactions.

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