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Investigation of the stepwise mechanism of the acid-catalyzed condensation of 3-methyl-3-buten-1-ol with formaldehyde

  • Physical Chemistry
  • Published:
Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The primary product of condensation of 3-methyl-3-buten-1-ol with formaldehyde is 3-methyl-1,3,5-pentanetriol, while 4-methyl-4-hydroxyethyl-1,3-dioxane is formed as a result of a secondary reaction of acetalization of the triol.

  2. 2.

    The selectivity of the process with at respect to the formation of a triol or dioxane depends on the concentration of formaldehyde and the alkenol, the temperature and duration of the reaction.

  3. 3.

    The kinetic principles established for the reactions studied agree with the carbonium ion mechanism of the process.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1761–1766, August, 1974.

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Sharf, V.Z., Kheifets, V.I. & Freidlin, L.K. Investigation of the stepwise mechanism of the acid-catalyzed condensation of 3-methyl-3-buten-1-ol with formaldehyde. Russ Chem Bull 23, 1681–1685 (1974). https://doi.org/10.1007/BF00923187

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  • DOI: https://doi.org/10.1007/BF00923187

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