[C:1]([O-:4])(=[O:3])[CH3:2].[Tl+].[CH3:6][CH2:7][CH2:8][CH2:9][CH2:10][CH3:11].C(OO)(=O)C.C(C1C=CC(C(C)C(OC)=O)=CC=1)C(C)C>C(O)(=O)C.CCOCC>[C:1]([OH:4])(=[O:3])[CH3:2].[CH3:6][CH2:7][CH2:8][CH2:9][CH2:10][CH3:11]To a solution of 260 mg. (1.0 mmole) of thallium (I) acetate and 24 mg. (0.1 mmole) of hydrated manganese diacetate in 3 ml. of 80 percent aqueous acetic acid and 4.5 ml. of hexane, there was added 0.3 ml. (about 2.0 mmole) of 42 percent peracetic acid solution in acetic acid. After five minutes of stirring there was added 100 mg. (0.5 mmole) of 4-isobutylpropiophenone methyl enol ether in 0.5 ml. of hexane. After stirring the mixture for about thirty-five minutes, a glc analysis of a sample of the reaction mixture indicated that about 89 percent of the enol ether had been converted to methyl 2-(4-isobutylphenyl)propionate, based on the starting wnol ether.
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