Jiang, Heyan; Zang, Cuicui; Cheng, Hongmei; Sun, Bin; Gao, Xue published an article in 2021, the title of the article was Photocatalytic green synthesis of benzazoles from alcohol oxidation/toluene sp3 C-H activation over metal-free BCN: effect of crystallinity and N-B pair exposure.Recommanded Product: 578-58-5 And the article contains the following content:
Porous borocarbonitride (P-BCN), with the characteristics of enhanced crystallinity and improved N-B pair exposure, was prepared with a simple KCl-assisted molten salt strategy. Efficient heterogeneous photocatalytic tandem synthesis of benzazoles I [R = n-Pr, Ph, 4-MeC6H4, etc.; X = N, O, S] from alc. oxidation/toluene sp3 C-H activation was achieved firstly over the metal-free P-BCN using visible light and the green oxidant O2, with only water as a byproduct. Various o-thio/hydroxy/aminoanilines and alcs. or toluenes could be converted to the corresponding 2-substituted benzothiazoles I [R = n-Pr, Ph, 4-MeC6H4, etc.; X = S], benzoxazoles I [R = n-Pr, Ph, 4-MeC6H4, etc.; X = O] and benzimidazoles I [R = n-Pr, Ph, 4-MeC6H4, etc.; X = N] with good to excellent photocatalytic performance. The improved photocatalytic performance in comparison to bulk BCN should be due to the crystallinity-enhancement-induced improvement in charge separation and transmission. The increased N-B pair exposure promoted superoxide radical generation due to the electron-enriched N atoms, as well as improved oxidation ability due to the valence band constructed by the B 2p orbital. This work presented a green and efficient synthetic strategy toward benzazoles I and other fine chems. via metal-free heterogeneous photocatalysis. The experimental process involved the reaction of 2-Methylanisole(cas: 578-58-5).Recommanded Product: 578-58-5
The Article related to borocarbonitride preparation, benzazole aryl green preparation photocatalysis, alc aniline oxidation catalyst borocarbonitride, methyl aryl aniline carbon hydrogen activation catalyst borocarbonitride and other aspects.Recommanded Product: 578-58-5
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