Some chemical peoperties of 2-formyl-2,5-dialkoxy (alkylthio)-2, 3-dihydro-γ-pyrans |
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| Authors: | N A Keiko L G Stepanova I D Kalikhman M G Voronkov |
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| Institution: | (1) Irkutsk Institute of Organic Chemistry, Siberian Branch, Academy of Sciences of the USSR, USSR |
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| Abstract: | The conditions of heteropolar and radical thiylation of 2-formyl-2,5-diethoxy-2,3-dihydro- -pyrans were studied. Oxidation of the carbonyl group occurs along with the Cannizzaro reaction in the reaction of 2-formyl-2,5-diethoxy-2,3-dihydro--pyran with silver oxide in alkaline media. Oxidation of 2-formyl-2,5-dibutylthio-2,3-dihydro--pyran with silver oxide leads to stable 2,5-dibutylthio-2,3-dihydro--pyran-2-carboxylic acid.Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 10, pp. 1319–1322, October, 1976. |
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