Abstract
4-Methylenetetrahydropyran undergoes isomerization to 4-methyl-5,6-dihydropyran in the presence of sodium on aluminum oxide. Both pyrans are converted to a vinyl ether, viz., 4-methyl-2,3-dihydropyran, under the influence of iron pentacarbonyl.
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Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 3, pp. 318–320, March, 1985.
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Ibatullin, U.G., Petrushina, T.F., Akhmadeeva, A.A. et al. Reactions involving shifting of the double bond in cyclic ethers. Chem Heterocycl Compd 21, 262–264 (1985). https://doi.org/10.1007/BF00506660
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DOI: https://doi.org/10.1007/BF00506660