Chemoselective synthesis of imidazopyrimidine and triazolopyrimidine hybrids using cadmium incorporated fluoroapatite encapsulated γ-Fe2O3 magnetic nanocatalyst
Why this work is in the frame
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Bibliographic record
Abstract
In this report, a facile and efficient method for the synthesis of imidazopyrimidine and triazolopyrimidine derivatives using cadmium incorporated fluoroapatite encapsulated γ-Fe2O3 magnetic nanocatalyst is presented. To investigate the catalytic properties of γ-Fe2O3@FAp@Cd nanocatalyst, one-pot three-component reaction of malononitrile, aromatic aldehydes and 2-aminobenzimidazole or 3-amino-1,2,4-triazole was used. In this method imidazo[1,2-a]pyrimidine and 1,2,4-triazolopyrimidine derivatives were obtained in short reaction time (10-15 minutes) and excellent yield (85-95%). The catalyst was characterized by using analytical techniques such as FT-IR, XRD, SEM, EDX, VSM and used in five consecutive runs without notable decrease in its catalytic performance.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| 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)
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