Metal-free and visible-light-mediated method enables the synthesis of olefins from ketones
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.
Bibliographic record
Abstract
Direct synthesis of olefins continues to attract stellar attention due to the high importance of olefins. In this context, due to the wide availability of ketones, the synthesis of olefins directly from ketones provides a straightforward route. Considering this, olefins synthesis from ketones via the formation of donor/donor type carbenes has been developed which leads to the efficient synthesis of versatile olefins by using a metal-free strategy. This approach features mild reaction conditions and exhibits a broad substrate scope when a biomass-derived solvent as a green reaction media is used. The practical utility of this approach has been demonstrated via late-stage modifications and even by scaling up to 20 grams scale. At the end, mechanistic investigations and density functional theory studies clearly proved the formation of donor/donor carbenes, and examined the necessity of all the reagents and the effect of light in this system.
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Full frame distilled prediction
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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| 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)
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it