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.