A performance-based comparison for the synthesis of Plavix (Clopidogrel) in a microreactor vs. batch reactor: From CuBr2 homogeneous catalysis to heterogeneous catalysis using a Cu-based MOF (VNU-18)
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Bibliographic record
Abstract
We investigated Plavix's continuous-flow synthesis through both homogeneous and heterogeneous catalysis utilizing a microreactor. The CuBr2 homogeneous catalyst was used in the former, whereas a Cu-based MOF (i.e., VNU-18 metal-organic framework) heterogeneous catalyst was first synthesized, then characterized, and ultimately utilized in the latter. Each catalytic system's performance was examined concerning factors including feed flowrate, reaction temperature, catalyst loading, residence time, and solvent. Plavix was produced with an optimum yield of 58.2% at 50 °C in 40 min when working under the continuous-flow homogeneous catalysis utilizing DMSO as solvent. Meanwhile, the performances of the batch- and microreactors were examined in the instance of heterogeneous catalysis. According to the findings, the reaction ceased utilizing the microreactor device after 25 min, yielding up to 42.7% product at room temperature using DMF as solvent. However, the product yield of 50.7% was attained in a batch system after 12 h. A comparison between the performance of the flow reactors with that of the batch system reveals that the flow systems are more promising to be the future trend of processing at the industrial scale for the Plavix production than that of the batch in terms of the comparable product yields and lowered reaction time.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.003 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
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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