More information: Yuanshuai Wang et al, Dual-feedback healing mechanism redefining anti-oxidation coatings in fiber reinforced composites, Journal of Advanced Ceramics (2024). DOI: 10.26599/JAC ...

On the basis of quantum mechanical calculations 27, this metal-free aromatic C–H oxidation is most likely to occur through a reverse-rebound diradical mechanism (via intermediate B; Fig. 1).