Abstract
It has been shown by PMR spectrometry and x-ray structure analysis that the six-membered 1,3-dioxane ring of 2-ethynyl-substituted 2,4,4-trimethyl-1,3-dioxanes, either in solution or in the solid state, exists in a nearly ideal chair conformation with an axial position of the ethynyl substituent.
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Additional information
Kuban State Technological University, Krasnodar 350072, Russia. Translated from Khimiya Geterotsiklicheskikh Soedinenii, No. 2, pp. 163–169, February, 1998.
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Kosulina, T.P., Karataeva, F.K., Zavodnik, V.E. et al. Stereostructure of 2-ethynyl-substituted 2,4,4-trimethyl-1,3-dioxanes. Chem Heterocycl Compd 34, 141–147 (1998). https://doi.org/10.1007/BF02315174
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DOI: https://doi.org/10.1007/BF02315174