Synthesis, Crystal Structure and Thermal Stability of A Platinum-Based Anti-Tumour Drug Nedaplatin
Bibliographic record
Abstract
The nedaplatin has been synthesized by a new technique,the yield rate is about 65%,the content of pure product is above 99%. Its structure was characterized by elemental analysis,IR,MS,thermal analysis and X-ray diffraction single crystal structure analysis. Its crystal belongs to orthorhombic space group P212121 with a= 0.562 93(6) nm,b=0.728 53(8) nm,c=1.411 07(16) nm. The PtⅡ atom is coordinated by two N atoms of ammine and two O atom of carboxyl group and hydroxy,forming a sqare-planar environment. The glycolate dianion forms a five-membered chelate ring,coordinating to the Pt(Ⅱ)ion not only at an O atom of the carboxyl group but also at the hydroxy. The results of TG-DTA analysis show that the nedaplatin was stable under 180 ℃. CCDC:706387.
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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".