Triple

T22067610
Position Surface form Disambiguated ID Type / Status
Subject Robinson annulation reaction E545316 entity
Predicate relatedTo P37 FINISHED
Object Dieckmann condensation
Dieckmann condensation is an intramolecular Claisen condensation in which a diester forms a cyclic β-keto ester under basic conditions.
 E1517143 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: Dieckmann condensation | Statement: [Robinson annulation reaction, relatedTo, Dieckmann condensation]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Dieckmann condensation
Context triple: [Robinson annulation reaction, relatedTo, Dieckmann condensation]
  • A. Barton reaction
    The Barton reaction is an organic photochemical transformation that converts nitrite esters into δ-nitroso alcohols via intramolecular hydrogen abstraction and radical rearrangement.
  • B. Diels–Alder reaction
    The Diels–Alder reaction is a fundamental organic chemistry cycloaddition that forms six-membered rings by combining a conjugated diene with a dienophile in a single, stereospecific step.
  • C. Heck reaction
    The Heck reaction is a palladium-catalyzed cross-coupling between alkenes and aryl or vinyl halides, widely used in organic synthesis to form carbon–carbon bonds.
  • D. Chichibabin reaction
    The Chichibabin reaction is an organic chemistry transformation that introduces an amino group into heteroaromatic compounds, especially pyridines, using sodium amide.
  • E. Diels–Kranz
    Diels–Kranz is the standard scholarly edition and numbering system for the surviving fragments and testimonia of the Presocratic philosophers.
  • 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: Dieckmann condensation
Triple: [Robinson annulation reaction, relatedTo, Dieckmann condensation]
Generated description
Dieckmann condensation is an intramolecular Claisen condensation in which a diester forms a cyclic β-keto ester under basic conditions.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Dieckmann condensation
Target entity description: Dieckmann condensation is an intramolecular Claisen condensation in which a diester forms a cyclic β-keto ester under basic conditions.
  • A. Barton reaction
    The Barton reaction is an organic photochemical transformation that converts nitrite esters into δ-nitroso alcohols via intramolecular hydrogen abstraction and radical rearrangement.
  • B. Diels–Alder reaction
    The Diels–Alder reaction is a fundamental organic chemistry cycloaddition that forms six-membered rings by combining a conjugated diene with a dienophile in a single, stereospecific step.
  • C. Heck reaction
    The Heck reaction is a palladium-catalyzed cross-coupling between alkenes and aryl or vinyl halides, widely used in organic synthesis to form carbon–carbon bonds.
  • D. Chichibabin reaction
    The Chichibabin reaction is an organic chemistry transformation that introduces an amino group into heteroaromatic compounds, especially pyridines, using sodium amide.
  • E. Diels–Kranz
    Diels–Kranz is the standard scholarly edition and numbering system for the surviving fragments and testimonia of the Presocratic philosophers.
  • 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_69e11e344dfc81909b1d88a7221329c7 completed April 16, 2026, 5:36 p.m.
NER Named-entity recognition batch_69f12884937c819095d3af69123fa2cb completed April 28, 2026, 9:37 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0a80af70208190b13181f4be83f876 completed May 18, 2026, 2:59 a.m.
NEDg Description generation batch_6a0a8187516481909d8075dfc025614e completed May 18, 2026, 3:03 a.m.
NED2 Entity disambiguation (via description) batch_6a0a826075988190a7148ded16f779c0 completed May 18, 2026, 3:07 a.m.
Created at: April 16, 2026, 8:27 p.m.