Questions tagged [amines]
For questions about amines - organic compounds with a basic nitrogen with a lone pair, also occasionally referred to as derivatives of ammonia. Not to be confused with amides, for which the tag [carbonyl-compounds] is to be used.
321
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Why does a larger bond angle correspond to greater s-character?
In trialkylamines $\ce{NR3}$, the $\ce{R}$ alkyl group attached to nitrogen increases the electronegativity of the nitrogen atom. I also found in this question that this happens due to the repulsion ...
- 452
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1
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Behavior of amines as acids
I came across this question which asked us to find in which alternative does the amine behave as an acid the most:
In which of the following reactions does the amine behave as an acid
(a) $\ce{(C2H5)...
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1
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What is the product when cyclohexanone reacts with morpholine?
The question asked to find the final product of the reaction between cylohexanone and morpholine. I attempted the reaction which is shown below:
I have understood the heat symbol. It simply ...
- 513
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Why do we take two moles of amines in the reaction of amine with an acid chloride?
My textbook states that when reacting an acid chloride (for example, acetyl chloride) with an amine, we need to take two moles of amines because when the $
\ce{-NH-R}$ group displaces the $\ce{-Cl}$ ...
- 173
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Comparing the basicity of heterocyclic amines
Compare the relative basicity of the following amines.
I know that the higher the electron density on the nitrogen the higher will be its basicity. So here’s my take on each option.
(a)The Nitrogen ...
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0
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Procedure for laboratory synthesis of tertiary amines [closed]
I am having difficulty finding a procedure for making tertiary amines in the lab, any is fine but I am specifically interested in tributylamine.
- 19
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1
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Comparing acidic strengths between benzylammonium ion and phenol
Question
Compare the acidic stengths between benzylammonium ion and phenol.
I first tried to remove the H+ ion from both of them and tried to compare the relative stabilities of resulting conjugate ...
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Safety concerns (Cyanide): Dicyandiamide + Polyamine condensation reaction
I am attempting to synthesize a poly-amine polymer by condensation between dicyandiamide (also known as cyanoguanidine and dicyandiamine) and diethyltriamine. The polymer is a kind of dye fixative ...
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Which one will be the major product when multiple sites for lone pair attack is available?
I have been asked to find the major product of the following reaction:
Clearly, there are two possible sites for the lone pair of $\ce{NH_3}$ to attack, and thus two possible products.
The carbon ...
- 462
1
vote
1
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Can the guanidinium ion give stable N-nitrosamines under mild metalworking conditions?
Can the guanidinium ion react with inorganic nitrite under mild basic metalworking conditions ($\mathrm{pH\ 8 - 10}$ and temperature $\lt \pu{70^\circ C}$) to give stable N-nitrosamines?
Usually, the ...
- 271
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1
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Is there a way to convert aniline to phenol without diazotizing it?
I am a high school student and while reading about reactions on amines, I was trying to figure out a way to convert aniline $(\ce{C6H5NH2})$ to phenol $(\ce{C6H5OH})$ without diazotizing it with ...
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Why is para-aminobenzoic acid more acidic than ortho-aminobenzoic acid?
Compare the acidic strength of o-, m-, p-aminobenzoic acids.
I got that meta will be the most acidic as it won't be able to show R+ effect of $\ce{NH2}.$
But among the other two, i.e. ortho and para, ...
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2
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Why IUPAC name this amine is written as 2-methylpropan-2-amine and not as 2,2-dimethylethanamine? [closed]
Why IUPAC Nomenclature of following amine is written as 2-methylpropan-2-amine and not as as 2,2-dimethylethanamine?
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1
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Is tautomerism in ketimines possible?
In a reaction between an aliphatic primary amine and a ketone, I could expect a ketimine as a product or intermediate. My question regards tautomerization of this intermediate: has tautomerization ...
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While treating 4-aminophenol with acetic anhydride why does the reaction stop at Paracetamol and does not undergo esterification with acetic acid?
This needs a little background so I will be showing you a question from one of my Organic Chemistry problem books:-
Now, the book shows the answer as Option (c) which is Paracetamol.
I tried to work ...
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