Conclusions
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1.
A small yield of diphenyl is obtained in the presence of ruthenium hydroxychloride and oxalic acid in 50% ethyl alcohol.
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2.
The ruthenium hydroxychloride -sodium acetate system in acetic acid is an agent for oxidative combination of phenols.
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3.
In the presence of ruthenium hydroxychloride as catalyst hydrogen peroxide oxidizes 2,4,6-triterbutylphenol to 2,6-diterbutyl-1,4-benzoquinone and 4-hydroxy-2,4,6-triterbutyl-2,5-cyclohexadiene-1-one and oxidizes phenols (V) and (VI) to products of oxidative combination.
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4.
In the presence of palladium chloride and sodium acetate in an atmosphere of oxygen (or argon) only the products of oxidative combination of phenols (III) and V are obtained.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 675–679, March, 1969.
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Gol'dshleger, N.F., Khidekel', M.L. Oxidative combination of aromatic compounds in systems containing ruthenium complexes. Russ Chem Bull 18, 605–608 (1969). https://doi.org/10.1007/BF00906985
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DOI: https://doi.org/10.1007/BF00906985