All Questions
Tagged with amines organic-chemistry
252
questions
0
votes
0
answers
60
views
Conflict: Sandmeyer reaction and Gattermann reaction
So it is known that benzene diazonium chloride when reaction with cuprous(I) chloride would produce a chlorobenzene which is called Sandmeyer reaction.
Now for the same salt, if we react it with ...
- 11
3
votes
0
answers
41
views
How to decide the correct numbering of aminocyclohexenol?
I'm self studying for a university admission exam. So I'm relying fully on online sources to study, but I often get confused because of differing methods. This is one such case:
According to this ...
- 94
2
votes
1
answer
47
views
What does ‘S/A’ mean in SMARTS pattern when using Chemicalize to draw the chemical structure?
I am still new to the SMARTS annotation. I am wondering what does S/A’ mean on the bond labeling drawn with Chemicalize using SMARTS [!#1]c1n[cH]nc([!#1])c1[!#1]? ...
- 131
3
votes
1
answer
197
views
What does ‘(A)’ mean in SMARTS pattern when using Chemicalize to draw the chemical structure?
I am not quite sure what ‘(A)’ could mean for the carbon atom when writing the SMARTS CCN(C)C using Chemicalize to draw the chemical structure below. Can anyone ...
- 131
3
votes
2
answers
83
views
Why is this amine called this way?
I used a molecule drawing app to name the compound in the image, an amine. The name of the compound is 3-(aminomethyl)hexane according to the app. Shouldn't the name be 2-ethylpentan-1-amine?
The ...
- 213
3
votes
1
answer
56
views
Iminium formation rate between formaldehyde and secondary amine
Given the significantly more favored hydrate of formaldehyde in the presence of water under neutral conditions, can we say that this is the slow step in iminium formation? Would removing water/working ...
- 31
2
votes
2
answers
123
views
How to identify an organic base?
According to the answer key, trimethylamine (iii) and ethanolamine (iv) are considered organic bases, whereas ammonium (i) and acrylamide (ii) are not:
From my understanding, an organic base has an ...
- 133
0
votes
0
answers
38
views
Regarding Hinsberg reagent, potassium salt of primary amine soluble in base become insoluble after acidification?
Distinguish between ethylamine, diethylamine and triethylamine by using Hinsberg's reagent?
Ans. This reaction is useful for the distinction of primary, secondary and tertiary amines.
(i) Primary ...
- 25
-1
votes
1
answer
125
views
Inductive Effect (R-NH3+ and R-NH2)
Textbooks I've read state that R-NH3+ has exhibits a greater -I inductive effect than R-NH2 does.
However, I've also read in places that the + charge in R-NH3+ only represents a formal charge and has ...
4
votes
1
answer
307
views
Nomenclature of C6H5CO-O-NH2
How to name the following compound using IUPAC nomenclature? I found benzyl carbamate to be very close to my structure, but couldn't find an exact compound online which matches mine.
- 51
0
votes
1
answer
110
views
Basicity of pyridine and 2,6-di-tert-butylpyridine
Among pyridine and 2,6-di-tert-butylpyridine, which one would be more basic?
My guess was that since two bulky groups are substituted at ortho position in the latter, it will experience steric ...
-3
votes
1
answer
99
views
Reason behind benzylamine being a primary amine
Benzylamine is a primary amine. Now a primary amine has the general formula R-NH₂ where R is an alkyl or aryl group. So here R will be equal to $\ce{C6H5CH2}$. But $\ce{C6H5CH2}$ is neither an alkyl ...
1
vote
0
answers
82
views
Why is quinuclidine more basic than triethylamine? [duplicate]
I am trying to compare the basic strength of two similar amines
Usually this is done by comparing the relative stability of the ion formed on the protonation of nitrogen's lone pair.
This can be done ...
- 201
1
vote
0
answers
158
views
Aminium/Ammonium?
Chemdraw names this as 2-carboxyethan-1-aminium. Shouldn't it be ammonium? What's an aminium ion?
- 21
3
votes
0
answers
101
views
Gabriel Phthalamide Synthesis of 1-Phenylethylamine
I had learnt that due to the nature of the Gabriel synthesis reaction being $S_{N}2$, the alkyl halide used must have a primary alkyl group. However, in an exam (JEE Main 2023), it was mentioned that ...
- 175