Chemistry of Heterocyclic Compounds p. 369 - 373 (1983)
Update date:2022-08-05
Topics:
Imashev, U. B.
Kalashnikov, S. M.
Gordeeva, G. N.
The Lewis acid-catalyzed addition of cyclic orthoformates to vinyl ethyl ether, which leads to the formation of malonaldehyde acetals, was studied.It is shown that of the linear-cyclic malonaldehyde acetals, 2-(2,2-diethoxyethyl)- and 5,5-dimethyl-2-(2,2-diethoxyethyl)-1,3-dioxanes are stable.The transacetalization of 1,1,3,3-tetraethoxypropane with 1,2- and 1,3-diols, which leads to the formation of cyclic malonaldehyde acetals, was studied.The physicochemical constants of the acetals were determined, and their 1H and 13C NMR spectra are described.
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