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Record W4254873533 · doi:10.1107/s1600536809019023

Monoclinic modification of<i>N</i>-[(1,1-dimethylethoxy)carbonyl]-3-[(<i>R</i>)-prop-2-en-1-ylsulfinyl]-(<i>R</i>)-alanine ethyl ester at 200 (1) K

2009· article· en· W4254873533 on OpenAlex
Suneel P. Singh, Marcus J. Verdu, Alan J. Lough, Adrian L. Schwan

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

VenueActa Crystallographica Section E Structure Reports Online · 2009
Typearticle
Languageen
FieldChemistry
TopicCrystal structures of chemical compounds
Canadian institutionsUniversity of TorontoUniversity of Guelph
Fundersnot available
KeywordsMonoclinic crystal systemHydrogen bondMoleculePropenylIntermolecular forceChemistryCrystallographyStereochemistryCrystal structureMedicinal chemistryOrganic chemistry

Abstract

fetched live from OpenAlex

In the monoclinic polymorph of the title compound, C(13)H(23)NO(5)S, inter-molecular N-H⋯O hydrogen bonds link mol-ecules into one-dimensional chains along [100]. The atoms of the terminal propenyl group are disordered over two sets of sites with refined occupancies of 0.69 (2) and 0.31 (2).

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)0.001
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Research integrity, Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.912
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0010.002
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 head0.011
GPT teacher head0.263
Teacher spread0.252 · 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