Metallated triphenylphosphinimine complexes
Bibliographic record
Abstract
The reagent [(o-C6H4PPh2NSiMe3)Li]2·Et2O 1 reacted with BCl3 affording (o-C6H4PPh2NSiMe3)BCl24. Similarly reaction of 1 with Me2AlCl resulted in a 1 ∶ 1 mixture of (o-C6H4PPh2NSiMe3)AlMe25 and (o-C6H4PPh2NSiMe3)Al(Me)Cl 6 while the analogous reaction of 1 with GaCl3 gave (o-C6H4PPh2NSiMe3)2Ga(o-C6H4PPh2NH) 7. The analogous compound [Li(o-C6H4PPh2NPh)]2·Et2O 2 was used to make (o-C6H4PPh2NPh)GaCl28, while reaction of 2 with Me2AlCl gave a mixture of [(o-C6H4PPh2NPh)AlCl29 and the salt [(o-C6H4PPh2NPh)2Al][AlMeCl3] 10. The compound 2 also reacts with PdCl2(COD) affording [Pd(o-C6H4PPh2NPh)(μ-Cl)]211 and [Pd(o-C6H4PPh2NPh)2] 12. Similarly, the complexes [Ni(o-C6H4PPh2NPh)2] 13 and [Ni(o-C6H4PPh2N(3,5-C6H3Me2))2] 14 were prepared. The compounds 4–14 have been structurally characterized by X-ray methods.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| 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 | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.006 | 0.002 |
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".