FIELD: organic chemistry. SUBSTANCE: product: 2-methyl-1,4-naphthoquinone, m. p. is 105-106 C. Reagent 1: 2-methyl-1-naphthol or its mixture with 2,4-dimethyl-1-naphthol. Reagent 2: oxygen. Reaction conditions: two-phase system, catalyst of the general formula H(3+n)PMo(12-n)VnO40 where n = 1-6, catalyst concentration is 0.1-0.5 mole/l, at 20-70 C, inert gas. EFFECT: improved method of synthesis. 2 cl, 1 tbl
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