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.
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Can alkyl halides react with guanidine/guanidino groups?
I wonder how the π delocalization of guanidino groups affects the reactivity of the terminal nitrogens with respect to alkyl halides compared to, say, primary amines?
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comparing basic strength of toluidine isomers [duplicate]
I would like to compare the basicity of ortho and para isomers of toluidine.After comparing the pKb values online the order of basic strength is:
p—toluidine> m—toluidine> aniline> o—...
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Synthesizing octopine from arginine and 2-bromopropionic acid
I am a biologist, and organic chemistry lessons are a distant memory now. I am interested in synthesizing a small amount of octopine. Octopine is a natural molecule resulting from an enzyme-catalyzed ...
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Compound's reactivity in Hoffman Bromamide Reaction
I already know that the presence of electron donating groups in the soon-to-be migrating group in the Hoffman Bromamide reaction makes the molecule more reactive, but I encountered a question which ...
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What is the pKa value of the nitrogen atoms, specifically the amine groups?
How would you estimate the $\mathrm pK_\mathrm a$ values of the nitrogen atoms in 1,4-dimethyl-1,2,3,4-tetrahydroquinoxaline?
I struggle with it because I am unsure whether to classify them as ...
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1
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Why does alkylamines have a higher boiling point than ammonia?
Here are the boiling points of ammonia and some amines:
$$ \begin{array}{|c|c|}
\hline
\textrm{Substance} & \textrm{Boiling Point} \\
\hline
\textrm{Ammonia} & \pu{-33.34^\circ C} \\
\textrm{...
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Can primary amine be produced using Grignard reagent?
I found a way to produce Secondary Alkyl Amines using Grignard Reagent.
(source: wiley.com)
Ref: Z. Huang, J. Lv, Y. Jia, Chemistry Select 2016, 1, 5892. DOI: 10.1002/slct.201601464
But I want to ...
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How does iodic(VII) acid oxidise amines? [closed]
What happens when 3‐aminobutan‐2‐one undergoes oxidative cleavage with $\ce{HIO4}?$
I'm particularly interested in the amine part. Would the hydroxy and amino groups on the same carbon be stable? Or ...
3
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Will iron(III) sodium EDTA release its nitrogen into a water medium and become bioavailable to aquatic plants?
I am wanting to create an N-free Hoagland's solution and have discovered a recipe that includes sodium ferric ethylenediaminetetraacetate salt $(\ce{C10H12FeN2NaO8}).$ Will the nitrogen in EDTA ...
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Why isn't the Leuckart reaction used to make (meth)amphetamine?
For example, in Breaking Bad, they synthesize meth from phenylacetone.
Why not just use methylammonium formate, if they already have methylamine?
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Nomenclature of tertiary amine derivative
I’m experiencing difficulties putting together a full name of the tertiary amine. One substituent is propyltrimethoxysilane $\ce{(OEt)3Si-CH2-CH2-CH2\bond{-}}$, and the two others are ...
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How do I understand the IUPAC naming of 9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one? [closed]
I'm having trouble understanding the IUPAC naming convention of 9-methyl-3-[(2-methylimidazol-1-yl)methyl]-2,3-dihydro-1H-carbazol-4-one.
It would be great if you can help to breakdown the naming ...
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Mechanism for the synthesis of benzimidazole
I have thought up a mechanism for the synthesis of benzimidazole from o-phenylenediamine and formic acid. I would like to know if it's correct. I have attached it below.
My rationale for the ...
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Resonance structure with allylic lone pair
Draw the appropriate resonance structure for 5-aminolevulinic acid:
As there is an allylic lone pair, my first arrow goes from the lone pair to form a π-bond, and the second goes from the π-bond to ...
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What is the order of basicity of amines?
My textbook claims that -
Greater is the stability of the substituted ammonium cation, stronger should be the corresponding amine as a base. Thus, the order of basicity of aliphatic amines should be: ...