[EN] PROCESS FOR MAKING ESTERS OF 2-ACETOXYALKANOIC ACIDS USING A 3,6-DIALKYL-1,4-DIOXANE-2,5-DIONE OR POLY-(ALPHA-HYDROXYALKANOIC ACID) AS A STARTING MATERIAL<br/>[FR] PROCEDE DE FABRICATION D'ESTERS D'ACIDES 2-ACETOXYALCANOIQUES UTILISANT LE COMPOSE 3,6-DIALKYL-1,4-DIOXANE-2,5-DIONE OU POLY(ACIDE ALPHA-HYDROXYALCANOIQUE) EN TANT QUE MATIERE PREMIERE
申请人:NATUREWORKS LLC
公开号:WO2015127374A1
公开(公告)日:2015-08-27
2-Acetoxyalkanoic acid esters are made in a reaction of a 3,6-dialkyl-1,4-dioxane-2,5-dione or a poly(α-hydroxyalkanoic acid), an acetate ester and an alcohol or phenol in the presence of a transesterification catalyst. Unlike previous methods for making 2-acetoxyalkanoic acid esters, this process proceeds in high yield and high selectivity to the desired product.
PROCESS FOR MAKING ESTERS OF 2-ACETOXYALKANOIC ACIDS USING A 3,6-DIALKYL-1,4-DIOXANE-2,5-DIONE OR POLY-(ALPHA-HYDROXYALKANOIC ACID) AS A STARTING MATERIAL
申请人:NatureWorks LLC
公开号:EP3110787A1
公开(公告)日:2017-01-04
Augdahl, Acta Chemica Scandinavica (1947), 1955, vol. 9, p. 1237