Conclusions
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1.
At 170°C silico-12-molybdic acid (SMA) exhibits oxidative characteristics and simultaneous catalytic action in reactions with a series of organic oxygen-containing compounds. The oxidation of primary alcohols by SMA leads to a mixture of ethers, esters, and acetals. The formation of olefins, carboxylic acids, and aldehydes is also possible, and their yields increase with increase in temperature.
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2.
In the reaction of SMA with acetaldehyde and acetone condensation reactions also take place to a significant degree, in addition to the oxidation-reduction processes.
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3.
The SMA exhibits significantly higher activity than its neutral potassium salt both in stoichiometric oxidation reactions and in catalytic dehydration reactions. This is determined by the role of the Brönsted acidity of the heteropoly complex in the investigated processes.
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4.
The reaction of silico-12-tungstic acid with ethanol leads to a mixture of olefins and alkanes.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 798–802, April, 1982.
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Pinchuk, I.N., Chuvaev, V.F., Ovchinnikova, N.S. et al. Reaction of organic oxygen-containing compounds with some heteropoly complexes. Russ Chem Bull 31, 703–706 (1982). https://doi.org/10.1007/BF00950002
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DOI: https://doi.org/10.1007/BF00950002