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Indicate the order of basicity of: aniline, 2-propylamine and 1-(2-aminophenyl)ethanone.
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- In an aqueous solution containing sodium bicarbonate, aniline reacts quickly with bromine to give 2,4,6-tribromoaniline. Nitration of aniline requires very strong conditions, however, and the yields (mostly m-nitroaniline) are poor.Explain why nitration of aniline is so sluggish and why it gives mostly metasubstitution.please explain the reaction and mechanism of sulfide to sulfimide and from sulfimide to allylic amineIn an aqueous solution containing sodium bicarbonate, aniline reacts quickly withbromine to give 2,4,6-tribromoaniline. Nitration of aniline requires very strong conditions,however, and the yields (mostly m-nitroaniline) are poor.(a) What conditions are used for nitration, and what form of aniline is present under theseconditions?
- Give the expected products of lithium aluminum hydride reduction of the followingcompounds (followed by hydrolysis).(a) butyronitrile (b) N-cyclohexylacetamide (c) e@caprolactamWrite a short description of the mechanism of action of each agents below, can any of them be used clinically? - Tetrodotoxin (TTX), - Tubocurarine, - Atropine, - Neostigmine and - Suxemethonium10. What is the order of increase in acidity for the following compounds?
- Suggest reagents to make the drug phenaglycodol by the route below.Explain why a much better yield of primary amine is obtained from the reaction of an alkyl halide with azide ion (-N3), followed by catalytic hydrogenation. (Hint: An alkyl azide is not nucleophilic.)Explain how benzaldehyde and dimedone reacts with each other, and then with the aminotriazole to form compound 1a in the presence of an acid catalyst. Provide a detailed reaction mechanism. During the development of the optimized procedure for the experiment, it was found out that compound 1b can also be produced from the same set of starting materials. Propose a detailed reaction mechanism for the formation of 1b. Explain your answer. What factor/s may drive the formation of 1b over 1a?
- 1. Discuss a disadvantage of Friedel - Crafts acylation reaction 2. Propose a mechanism for the formation of (ii)If you were ask to prepare ethylamine, suggest two ways which you would give that would give you exclusively the desired product. Explain what is happening in each reaction steps.When cyclohexanol is dehydrated to cyclohexene, a gummy green substance forms onthe bottom of the flask. Suggest what this residue might be, and propose a mechanismfor its formation (as far as the dimer).
