Synthesis and Some Transformations of 4-Alkoxymethyl-2-ethoxycarbonyl-2-ethoxycarbonylmethylbutanolides
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A method was developed for the production of 4-alkoxy-2-ethoxycarbonyl-2-ethoxycarbonylmethylbutanolides. The latter were subjected to alkaline and acid hydrolysis, leading to 4-alkoxymethyl-2-carboxymethylbutanolides, from which lactone-containing thioureas and amides of carboxylactones with novel structures were obtained.
Keywordsamides carboxylactone thioureas lactone esters
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