Triple
T15562408
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Boris Chichibabin |
E371030
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object |
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.
|
E1163519
|
NE FINISHED |
How this triple was built (4 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Chichibabin pyridine synthesis | Statement: [Boris Chichibabin, notableWork, Chichibabin pyridine synthesis]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chichibabin pyridine synthesis Context triple: [Boris Chichibabin, notableWork, Chichibabin pyridine synthesis]
-
A.
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.
-
B.
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.
-
C.
Reichstein process for vitamin C synthesis
The Reichstein process for vitamin C synthesis is an industrial chemical method that converts glucose into ascorbic acid through a series of fermentation and chemical steps, historically serving as the primary route for large-scale vitamin C production.
-
D.
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.
-
E.
Stork enamine reaction
The Stork enamine reaction is a key carbon–carbon bond-forming method in organic chemistry that uses enamines as nucleophiles to alkylate or acylate carbonyl compounds in a controlled, selective way.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Chichibabin pyridine synthesis Triple: [Boris Chichibabin, notableWork, Chichibabin pyridine synthesis]
Generated description
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.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Chichibabin pyridine synthesis Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
Reichstein process for vitamin C synthesis
The Reichstein process for vitamin C synthesis is an industrial chemical method that converts glucose into ascorbic acid through a series of fermentation and chemical steps, historically serving as the primary route for large-scale vitamin C production.
-
D.
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.
-
E.
Stork enamine reaction
The Stork enamine reaction is a key carbon–carbon bond-forming method in organic chemistry that uses enamines as nucleophiles to alkylate or acylate carbonyl compounds in a controlled, selective way.
- F. None of above. chosen
Provenance (5 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69d85cc6cf40819091f4a5facee1ebe6 |
completed | April 10, 2026, 2:13 a.m. |
| NER | Named-entity recognition | batch_69e04ddc66448190948280fb0c8d390c |
completed | April 16, 2026, 2:47 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69ff456821988190971539b683f6c656 |
completed | May 9, 2026, 2:32 p.m. |
| NEDg | Description generation | batch_69ff46f44b2c81909f65f0ab455c6549 |
completed | May 9, 2026, 2:38 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69ff477a63b48190a453cf669dfda228 |
completed | May 9, 2026, 2:40 p.m. |
Created at: April 10, 2026, 4:09 a.m.