Hofmann degradation of quaternary ammonium salts
E1516421
UNEXPLORED
The Hofmann degradation of quaternary ammonium salts is an organic reaction in which quaternary ammonium hydroxides undergo thermal decomposition to yield alkenes, amines, and other products via a β-elimination process.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Hofmann degradation of quaternary ammonium salts canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T22067514 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Hofmann degradation of quaternary ammonium salts Context triple: [August Wilhelm von Hofmann, knownFor, Hofmann degradation of quaternary ammonium salts]
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A.
Chichibabin pyridine synthesis
Chichibabin pyridine synthesis is a classic organic reaction that forms pyridine and its derivatives by condensing aldehydes, ketones, and ammonia or amines under strongly basic conditions.
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B.
Barton–McCombie deoxygenation
Barton–McCombie deoxygenation is an organic chemistry reaction that converts alcohols into the corresponding hydrocarbons via radical-mediated removal of the hydroxyl group.
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C.
Eschenmoser sulfide contraction
Eschenmoser sulfide contraction is an organic rearrangement reaction that converts certain sulfur-containing intermediates into carbonyl compounds, widely used in complex molecule and natural product synthesis.
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D.
Corey–Nicolaou macrolactonization
Corey–Nicolaou macrolactonization is a widely used organic synthesis reaction that forms large-ring lactones from hydroxy acids via an activated ester intermediate.
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E.
Buchwald–Hartwig amination
The Buchwald–Hartwig amination is a palladium-catalyzed cross-coupling reaction that forms carbon–nitrogen bonds by coupling aryl (or vinyl) halides with amines, widely used in the synthesis of pharmaceuticals and fine chemicals.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Hofmann degradation of quaternary ammonium salts Target entity description: The Hofmann degradation of quaternary ammonium salts is an organic reaction in which quaternary ammonium hydroxides undergo thermal decomposition to yield alkenes, amines, and other products via a β-elimination process.
-
A.
Chichibabin pyridine synthesis
Chichibabin pyridine synthesis is a classic organic reaction that forms pyridine and its derivatives by condensing aldehydes, ketones, and ammonia or amines under strongly basic conditions.
-
B.
Barton–McCombie deoxygenation
Barton–McCombie deoxygenation is an organic chemistry reaction that converts alcohols into the corresponding hydrocarbons via radical-mediated removal of the hydroxyl group.
-
C.
Eschenmoser sulfide contraction
Eschenmoser sulfide contraction is an organic rearrangement reaction that converts certain sulfur-containing intermediates into carbonyl compounds, widely used in complex molecule and natural product synthesis.
-
D.
Corey–Nicolaou macrolactonization
Corey–Nicolaou macrolactonization is a widely used organic synthesis reaction that forms large-ring lactones from hydroxy acids via an activated ester intermediate.
-
E.
Buchwald–Hartwig amination
The Buchwald–Hartwig amination is a palladium-catalyzed cross-coupling reaction that forms carbon–nitrogen bonds by coupling aryl (or vinyl) halides with amines, widely used in the synthesis of pharmaceuticals and fine chemicals.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.