Ethyl N-(2-buten-1-yl)-N-(2,2-dimethoxyethyl)-carbamate → ethyl N-(but-2-enyl)-N-(2-oxoethyl)-carbamate

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Reaction Steps

90 g (0.39 mol) of ethyl N-(but-2-enyl)-N-(2,2-dimethoxyethyl)-carbamate are heated under reflux with 200 ml of formic acid for one hour. The mixture is poured onto 500 g of ice and extracted with methylene chloride, the organic phases are washed with sodium bicarbonate solution, dried over magnesium sulphate and concentrated and the residue is distilled.

Provenance & Evidence