Synthesis, Structure, and Reaction of [3n]Cyclophanes (n = 2-6)
Bibliographic record
Abstract
[3n] Cyclophanes ([3n] CPs : n= 2-6) including the ultimate member of this series, [36] CP, and fluorinated [33] CPs were synthesized. The fundamental structural properties of these compounds both in solution and in the solid state are described. [3n] CP shows strong electron-donating ability, which was evaluated by the λmax of the charge transfer (CT) band of the [3n] CP-TCNE complex and oxidation potential, and this is attributed to the effective hyperconjugation between the benzyl methylenes and the benzene ring. The solid state structural study of [3n] CP-TCNQ-F4 complexes provided the basic knowledge for understanding the CT interaction in the solid state. [3n] CPs served as good ligands for Ru (II) and Os (II) metals. [3n] CP (n=2, 4) reacted with dicyanoacetylene to give barrelenophane, which gave various valence isomers on photolysis. Our efforts to the synthesis of hexaprismane derivative via photolysis of [3n] CP is described.
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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) | 0.002 | 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".