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. 2022 Apr 11;18:381–419. doi: 10.3762/bjoc.18.43

Table 3.

Different approaches of 2-methyl-1,4-dimethoxynaphthalene oxidation to menadione.

graphic file with name Beilstein_J_Org_Chem-18-381-i003.jpg
Entry Conditions Catalyst Yield (%) Ref.
1 CoF3, dioxane, 25 °C, 6 h – 92 [85]
2 PIFA, MeOH/H2O, rt, 30 min – 92 [86]
3 t-BuOOH, t-BuOH, 80 °C, 12 h poly(bis-1,2-phenyl)diselenide 90 [87]