Triple
T14222891
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ei-ichi Negishi |
E352540
|
entity |
| Predicate | developed |
P73
|
FINISHED |
| Object | Negishi coupling |
E1088470
|
NE FINISHED |
How this triple was built (2 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: Negishi coupling | Statement: [Ei-ichi Negishi, developed, Negishi coupling]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Negishi coupling Context triple: [Ei-ichi Negishi, developed, Negishi coupling]
-
A.
Negishi coupling
chosen
Negishi coupling is a palladium- or nickel-catalyzed cross-coupling reaction that forms carbon–carbon bonds between organozinc reagents and organic halides, widely used in organic synthesis.
-
B.
Sonogashira coupling
Sonogashira coupling is a palladium-catalyzed cross-coupling reaction that forms carbon–carbon bonds between terminal alkynes and aryl or vinyl halides, widely used in organic and materials synthesis.
-
C.
Kumada coupling
Kumada coupling is a palladium- or nickel-catalyzed cross-coupling reaction between Grignard reagents and organic halides used to form carbon–carbon bonds in organic synthesis.
-
D.
Suzuki coupling
Suzuki coupling is a widely used palladium-catalyzed cross-coupling reaction that forms carbon–carbon bonds between organoboron compounds and organic halides, fundamental in organic synthesis and pharmaceutical chemistry.
-
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.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69d8278a06e481908b5d6af0a8afe737 |
completed | April 9, 2026, 10:26 p.m. |
| NER | Named-entity recognition | batch_69de6227c288819081473ce44f9f0934 |
completed | April 14, 2026, 3:49 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fd4c29b4e08190896ddde5096628d3 |
completed | May 8, 2026, 2:36 a.m. |
Created at: April 10, 2026, 1:06 a.m.