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Record W4410352029 · doi:10.1055/a-2609-9601

Fluorinative Difunctionalization of a Cyclooctene-Fused β-Lactam and Cyclooctene-Fused β-Amino Esters

2025· article· en· W4410352029 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueSynthesis · 2025
Typearticle
Languageen
FieldPharmacology, Toxicology and Pharmaceutics
TopicFluorine in Organic Chemistry
Canadian institutionsCentre for Drug Research and Development
FundersNemzeti Kutatási Fejlesztési és Innovációs HivatalMagyar Tudományos AkadémiaEuropean Commission
KeywordsChemistryCycloocteneBeta-lactamBETA (programming language)StereochemistryMedicinal chemistryCombinatorial chemistryOrganic chemistryAntibioticsCatalysisBiochemistry

Abstract

fetched live from OpenAlex

Abstract The synthesis of novel arylfluorinated cyclic β-amino acid and β-lactam derivatives is accomplished. Studies on the Pd-catalyzed arylfluorination of the double bond of a cyclooctene-fused azetidine-2-one and various β-amino esters are performed under versatile experimental conditions. The arylfluorinative difunctionalization of a cyclooctene-fused β-lactam, performed with phenylboronic acid in the presence of Selectfluor, palladium diacetate, azacyclic ligands and different solvents, gave a separable mixture of fluorinated and non-fluorinated products. In contrast, arylfluorination of cyclooctane-β-amino esters, performed under similar conditions, proceed with full regio- and stereoselective control, leading to single phenyl-fluorinated products. Possible synthetic pathways for these transformations are also proposed.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.087
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.045
GPT teacher head0.389
Teacher spread0.344 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it