Summary
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1.
1,2-Dimethoxyethylene adds acetic acid at the double bond, with formation of the semi-acylal of acetoxyacetaldehyde. When methylal is added, 1,1,2,3-tetramethoxypropane is formed.
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2.
1,2,-Diacetoxyethylene adds methanol, forming the methyl acetal of acetoxyacetaldehyde. 1,2,-Diacetoxyethylene reacts with ethylene glycol, being converted to the corresponding semi-acylal.
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3.
When acetoxyacetaldehyde reacts with ethylene glycol the symmetrical acetal of acetoxyacetaldehyde is formed.
Literature cited
M. F. Shostakovskii, N. V. Kuznetsov, and Yang Tse-min, Izv. AN SSSR, Otd. khim. n. 1962, 710.
M. F. Shostakovskii, N. V. Kuznetsov, and Yang Tse-min, Ivz. AN SSSR, Otd. khim. n. 1961, 1685.
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Shostakovskii, M.F., Kuznetsov, N.V. & Tse-min, Y. Synthesis of ethers and esters of 1,2-dihydroxyethylene and their conversions. Russ Chem Bull 11, 1614–1616 (1962). https://doi.org/10.1007/BF00907256
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DOI: https://doi.org/10.1007/BF00907256