Benzotriazolium ylides: Experimental and theoretical study on the tautomeric equilibrium of monosubstituted benzotriazolium ylides
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Bibliographic record
Abstract
The biphenacyl benzotriazolium salts 12 give a tautomeric equilibrium 13[Formula: see text]14 in the presence of triethylamine (TEA) or NaOH. The evaluation of this tautomeric equilibrium has been studied using a dynamic NMR analysis and a new synthetic procedure of disubstituted benzotriazolium ylides 15 and 16, which have in their structures a picryl fragment. This study also includes a theoretical analysis on the reactivity of salts 12ac and the thermodynamical stability of tautomeric forms 13 and 14 by AM1 and PM3 procedure methods.Key words: synthesis, salts, ylides, semiempirical calculations, kinetics.
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Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.003 | 0.000 |
Machine scores (provisional)
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Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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