Matches in SemOpenAlex for { <https://semopenalex.org/work/W2883321172> ?p ?o ?g. }
- W2883321172 abstract "Abstract Hydroxylation of arenes via activation of aromatic C sp2 –H bond has attracted great attention for decades but remains a huge challenge. Herein, we achieve the ring hydroxylation of various arenes with stoichiometric hydrogen peroxide (H 2 O 2 ) into the corresponding phenols on a robust heterogeneous catalyst series of V–Si–ZSM-22 (TON type vanadium silicalite zeolites) that is straightforward synthesized from an unusual ionic liquid involved dry-gel-conversion route. For benzene hydroxylation, the phenol yield is 30.8% (selectivity >99%). Ring hydroxylation of mono-/di-alkylbenzenes and halogenated aromatic hydrocarbons cause the yields up to 26.2% and selectivities above 90%. The reaction is completed within 30 s, the fastest occasion so far, resulting in ultra-high turnover frequencies (TOFs). Systematic characterization including 51 V NMR and X-ray absorption fine structure (XAFS) analyses suggest that such high activity associates with the unique non-radical hydroxylation mechanism arising from the in situ created diperoxo V(IV) state." @default.
- W2883321172 created "2018-08-03" @default.
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- W2883321172 date "2018-07-26" @default.
- W2883321172 modified "2023-09-26" @default.
- W2883321172 title "Immediate hydroxylation of arenes to phenols via V-containing all-silica ZSM-22 zeolite triggered non-radical mechanism" @default.
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- W2883321172 doi "https://doi.org/10.1038/s41467-018-05351-w" @default.
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