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Example Question #1 : Help With Amine Synthesis
A secondary alkyl halide is treated with __________.
, then , then acid. The final product is
Possible Answers:
a primary amine
None of the other answers
phthalimide
a secondary amine
an amide
Correct answer:
a primary amine
Explanation:
The
group replaces the halogen as the halogen is a better leaving group. Lithium aluminum hydride is a strong reducing agent. It takes nitrogen-nitrogen bonds and allows for nitrogen hydrogen bonds to be formed instead. A primary nitrogen is bonded to two hydrogens and one R group. After reduction, a primary amine is formed.Example Question #2 : Help With Amine Synthesis
What product would be obtained for the acid catalyzed reaction shown above?
Possible Answers:
Correct answer:
Explanation:
The reaction given is for the nucleophilic addition of a secondary amine to a ketone. Below is the mechanism for this acid catalyzed reaction:
The protonation of the hydroxyl group makes it a better leaving group.
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