Abstract
2-Methyl-and 2,5-dialkyl-5-phenoxy-1,3-dioxanes were synthesized and separated into their geometrical isomers by precision rectification. The configuration and conformations of these isomers were determined by PMR spectroscopy. It is shown that the low-boiling trans isomers exist primarily in the chair conformation with an equatorial phenoxy group, whereas the high-boiling cis isomers exist primarily in the chair conformation with an axial phenoxy group.
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See [1] for communication XXXVIII.
Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 8, pp. 1036–1041, August, 1975.
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Samitov, Y.Y., Yavorskii, A.S., Gren', A.I. et al. Stereochemistry of heterocycles. Chem Heterocycl Compd 11, 904–908 (1975). https://doi.org/10.1007/BF00470487
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DOI: https://doi.org/10.1007/BF00470487