NH insertion to a phosphoazonium cation gives an alpha-phosphenium product
Why this work is in the frame
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Bibliographic record
Abstract
An α-cationic phosphine was isolated in good yield from the reaction of [Mes*NP][GaCl 4 ] (Mes* = 2,4,6-tri- tert-butylphenyl) and Dipp 2 NacNacH (Dipp 2 NacNac = [DippNC(CH 3 )] 2 CH (Dipp = 2,6-di- iso-propylphenyl)). The product was characterized spectroscopically and crystallographically. In the product, the phosphorus atom is incorporated within the NacNac ring, while maintaining a bond to the nitrogen atom of the NMes* group. A similar reaction involving IPr=NH (IPr = [DippN(CH)] 2 C) and [Mes*NP][GaCl 4 ] gave a much different product. A few crystals of [IPr=NH 2 ][GaCl 4 ] were isolated and characterized using only X-ray crystallography. The anticipated neutral phosphine product could not be recovered from attempted deprotonations of the α-cationic phosphenium salt.
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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 | 0.001 |
| 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 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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