[EN] PROCESS FOR THE PREPARATION OF DIALKYL 3-ALKOXYGLUTARATES<br/>[FR] PROCÉDÉ POUR LA PRÉPARATION DE 3-ALCOXYGLUTARATES DE DIALKYLE
申请人:LONZA AG
公开号:WO2010121769A2
公开(公告)日:2010-10-28
The invention relates to an one-step, continuous process for preparing a dialkyl 3- alkoxyglutarate of formula RO(CO)CH2C(OR)CH2(CO)OR, wherein R is C1-6 alkyl, by reacting 2 equivalents of ketene with 1 equivalent of an ortho formate of formula (RO)3CH, wherein R is as defined above, in the presence of an acidic catalyst.