Conclusions
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1.
2,2-Dialkyl-5-propyltetrahydrofurans are formed in 70% yield in the hydrogenation of 1-furyl-3-alkylalkanols-3 according to a continuous flow method on Pt-C at 220° and atmospheric pressure.
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2.
On the same catalyst, but at 280°, 2,2-dialkyl-5-propyltetrahydrofurans are isomerized to the corresponding aliphatic ketones in 90% yield.
Literature cited
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I. F. Bel'skii and N. I. Shuikin, Dokl. AN SSSR,128, 945 (1959).
I. F. Bel'skii and N. I. Shuikin, Izv. AN SSSR, Otd. khim, n.,1932, 1656.
N. I. Shuikin, I. F. Bel'skii, and R. A. Karakhanov, Dokl. AN SSSR,127, 815 (1959).
A. Hinz, G. Meyer, and G. Schücking, Ber.,76, 676 (1943).
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Bel'skii, I.F., Shuikin, N.I. & Vol'nova, Z.K. Synthesis and isomerization of 2,2-dialkyl-5-propyltetrahydrofurans. Russ Chem Bull 13, 342–343 (1964). https://doi.org/10.1007/BF00853701
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DOI: https://doi.org/10.1007/BF00853701