Exploring the Azabenzannulation on Benzothioxanthene Imide
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Bibliographic record
Abstract
We report herein the synthesis and characterization of azabenzannulated benzothioxanthene imides (BTIs) functionalized with various appended aromatic units. This new class of polycyclic aromatic hydrocarbons are prepared via a straightforward and efficient synthetic strategy that involves a visible-light-mediated photocyclization of imines. The later are formed in situ from the condensation of an amine moiety at the bay position of the BTI core with aldehydes, followed by oxidative rearomatization. These green-yellow fluorescent emitters (φf ~ 0.14-0.20) combine dual redox properties with significant triplet state generation — resulting from a combination strong spin-orbit couplings and the energetic proximity between their S1 state and their triplet states — with singlet oxygen sensitization efficiencies φΔ~ 0.39-0.49. Hence, this design principle enables accessible tailored structural modifications through the incorporation of diverse functional groups onto the BTI core with minimal synthetic effort, paving the way to original and versatile functional materials with broad potential in optoelectronics, biophotonics, and photodynamic therapy.
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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) | 0.000 | 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 | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| 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