Hydroboration of Coordinated Dinitrogen: A New Reaction for the N2 Ligand that Results in Its Functionalization and Cleavage
Why this work is in the frame
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Bibliographic record
Abstract
A clean break: Hydroboration of the side-on, end-on N2 unit of [{(NPN)Ta}2(μ-η1:η2-N2)(μ-H)2] (1; NPN=PhP(CH2SiMe2NPh)2) by 9-BBN results in the addition of the BH bond across the Ta–N2 moiety to generate a NB bond and a terminal TaH unit (2). Surprisingly, this species is unstable in solution. Thus, this hydroboration triggers a cascade of reactions that result in NN bond cleavage and ancillary ligand rearrangement in the formation of the imide–nitride species 3.
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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 | 0.000 | 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 | 0.000 | 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