Triple
T18288587
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Schrock carbene |
E438047
|
entity |
| Predicate | contrastsWith |
P278
|
FINISHED |
| Object | Fischer carbene |
—
|
NE NERFINISHED |
How this triple was built (3 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: Fischer carbene | Statement: [Schrock carbene, contrastsWith, Fischer carbene]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Fischer carbene Context triple: [Schrock carbene, contrastsWith, Fischer carbene]
-
A.
Schrock carbene
A Schrock carbene is a type of organometallic complex featuring an early transition metal bonded to a strongly nucleophilic alkylidene ligand, central to many olefin metathesis catalysts.
-
B.
Wilkinson's catalyst
Wilkinson's catalyst is a homogeneous rhodium-based coordination complex widely used in organometallic chemistry for the catalytic hydrogenation of alkenes.
-
C.
Corey–Chaykovsky reagent
The Corey–Chaykovsky reagent is an organosulfur ylide reagent widely used in organic synthesis to convert carbonyl compounds into epoxides and aziridines.
-
D.
Trost ligand
The Trost ligand is a chiral diphosphine ligand widely used in palladium-catalyzed asymmetric reactions, particularly for achieving high enantioselectivity in allylic alkylation.
-
E.
Grubbs catalyst
Grubbs catalyst is a family of ruthenium-based organometallic complexes widely used to catalyze olefin metathesis reactions in organic and polymer chemistry.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Fischer carbene Target entity description: Fischer carbene is a type of metal–carbene complex in which a low-oxidation-state, often late-transition metal is bonded to a carbene carbon that is typically electrophilic and stabilized by π-acceptor ligands such as carbonyls.
-
A.
Schrock carbene
A Schrock carbene is a type of organometallic complex featuring an early transition metal bonded to a strongly nucleophilic alkylidene ligand, central to many olefin metathesis catalysts.
-
B.
Wilkinson's catalyst
Wilkinson's catalyst is a homogeneous rhodium-based coordination complex widely used in organometallic chemistry for the catalytic hydrogenation of alkenes.
-
C.
Corey–Chaykovsky reagent
The Corey–Chaykovsky reagent is an organosulfur ylide reagent widely used in organic synthesis to convert carbonyl compounds into epoxides and aziridines.
-
D.
Trost ligand
The Trost ligand is a chiral diphosphine ligand widely used in palladium-catalyzed asymmetric reactions, particularly for achieving high enantioselectivity in allylic alkylation.
-
E.
Grubbs catalyst
Grubbs catalyst is a family of ruthenium-based organometallic complexes widely used to catalyze olefin metathesis reactions in organic and polymer chemistry.
- F. None of above. chosen
Provenance (2 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_69d8b914530c8190b4474d862a2b2a1b |
completed | April 10, 2026, 8:47 a.m. |
| NER | Named-entity recognition | batch_69e500fc49b88190bd5b562e0a959e9d |
completed | April 19, 2026, 4:21 p.m. |
Created at: April 10, 2026, 10:35 a.m.