Batch and Continuous‐Flow One‐Pot Processes using Amine Diazotization to Produce Silylated Diazo Reagents
Bibliographic record
Abstract
Abstract A novel synthesis of trimethylsilyldiazomethane (TMSCHN 2 ) by diazotization of trimethylsilylmethylamine (TMSCH 2 NH 2 ) is reported using batch and continuous flow synthesis. The latter affords a daily production of 275 g (2.4 mol) of TMSCHN 2 . Other silylated methylamines were also successfully reacted under the developed reaction conditions to furnish various silicon‐bearing diazomethane reagents. The applicability of the process is highlighted by disclosure of batch and continuous flow one‐pot esterification and 1,3‐dipolar cycloaddition processes. Furthermore, the high‐yielding esterification of carboxylic acids with silylated and substituted methylamines in continuous flow is disclosed. Finally, work‐up and purification procedures are reported for the preparation of a 2‐MeTHF solution of TMSCHN 2 , which can be used in rhodium‐catalyzed methylenation and homologation reactions.
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How this classification was reachedexpand
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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, 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".