Synthesis and Biological Evaluation of Chromen-2-One and Chromen-2-Imine Derivatives Bearing Aryldiazenyl Moiety as Expected Antimicrobial Agents
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
In an attempt to develop new antifungal and antibacterial agents; new series of chromen-2-one and chromen-2-imine derivatives bearing an aryldiazenyl group were synthesized. 2-Chromenones were synthesized through ring closure of 5-aryldiazenylsalicylaldehyde derivatives by ethyl acetoacetate, diethylmalonate and hippuric acid. 2-Chromenimines were synthesized through ring closure of 5-aryldiazenylsalicylaldehydes by malononitrile, cyanoacetamide and cyanoacetamide derivatives. The Knoevenagel reaction between 5-(aryldiazenyl)salicylaldehydes and ethyl cyanoacetate produced coumarin or iminocoumarin depends on the nature of the aromatic ring substituent. The antimicrobial activity for the synthesized chromen-2-one and chromen-2-imine derivatives were evaluated.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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