Chemistry of Heterocyclic Compounds p. 725 - 726 (1983)
Update date:2022-08-29
Topics:
Zil'berman, E. N.
Salov, V. N.
Leshin, V. V.
Matin, N. B.
Conditions for the preparation of 3,3,6,6-tetramethyl-1,4-dioxane-2,5-dione by condensation of 2-hydroxy-2-methylpropanoic acid in the presence of p-toluenesulfonic acid were found.It is shown that the lactide obtained is readily hydrolyzed to 2-(2-hydroxy-2-methylpropanoyloxy)-2-methylpropanoic acid.
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(1970)
