Preparation of Ethoxymethytenemalonic Diethyl Ester
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Graphical Abstract
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Abstract
Ethoxymethylenemalonic diethyl ester is prepared by condensation of malonic diethyl ester and orthoformic triethyl ester in the presence of ZnCl_2 and acetic anhydride. The yield is 97.3% Which Calculates in terms of malomic diethyl ester. Orthoformic tri
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