Triple

T12148012
Position Surface form Disambiguated ID Type / Status
Subject Tadeus Reichstein E289374 entity
Predicate notableWork P4 FINISHED
Object 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.
E964046 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: Reichstein process for vitamin C synthesis | Statement: [Tadeus Reichstein, notableWork, Reichstein process for vitamin C synthesis]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Reichstein process for vitamin C synthesis
Context triple: [Tadeus Reichstein, notableWork, Reichstein process for vitamin C synthesis]
  • A. Rochow process
    The Rochow process is an industrial chemical method for directly synthesizing organosilicon compounds, especially methylchlorosilanes used in silicone production, by reacting methyl chloride with silicon in the presence of a copper catalyst.
  • 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. 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. 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.
  • E. Shanks process for nitrate refining
    The Shanks process for nitrate refining is an industrial method developed in the 19th century to extract and purify sodium nitrate from natural nitrate ores, notably those found in the Chilean nitrate fields.
  • 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: Reichstein process for vitamin C synthesis
Triple: [Tadeus Reichstein, notableWork, Reichstein process for vitamin C synthesis]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Reichstein process for vitamin C synthesis
Target entity description: 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.
  • A. Rochow process
    The Rochow process is an industrial chemical method for directly synthesizing organosilicon compounds, especially methylchlorosilanes used in silicone production, by reacting methyl chloride with silicon in the presence of a copper catalyst.
  • 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. 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. 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.
  • E. Shanks process for nitrate refining
    The Shanks process for nitrate refining is an industrial method developed in the 19th century to extract and purify sodium nitrate from natural nitrate ores, notably those found in the Chilean nitrate fields.
  • 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_69d6ab4c6710819097a9d228382dde43 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d915ad6ef08190b334a97d6ab41487 completed April 10, 2026, 3:22 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f698c5648190a5a29e08f2b7d8ab completed May 2, 2026, 1:05 p.m.
NEDg Description generation batch_69f5fed2d57881908103ce89a365cdd4 completed May 2, 2026, 1:40 p.m.
NED2 Entity disambiguation (via description) batch_69f600bcaf288190b6204f985d3be638 completed May 2, 2026, 1:48 p.m.
Created at: April 8, 2026, 9:49 p.m.