Synthesis, Structural, Thermal Studies And Biological Activity Of Schiff Base Transition Metal Complexes
Bibliographic record
Abstract
In order to obtain the Schiff base (1-(4-hydroxy-6-methylpyrimidino)-3-phenylthiocarbamide) ligand yields, guanidine and acetoacetic ester interacted. The ligand and its metal complexes are described using thermodynamic investigations (TG and DTA), 1H-NMR, 13C-NMR, UV, and FTIR. The IR spectra show that the ligand binds to the metal ions and behaves neutrally. The thermal behavior of these chelates shows that the anions and ligand molecules disintegrate in the second step after the hydrated complexes lose their water molecules of hydration in the first. The produced metal complexes were then put to the test against Salmonella typhi, Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Listeria monocytogen, and Listeria candida for their antibacterial, antioxidant, and antidiabetic properties. The activity data indicates that the metal complexes are more effective against one or more bacterial species as antioxidants, antidiabetic agents, and antibacterial agents.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), 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".