[EN] PROCESS FOR OBTAINING MIXTURES OF 4-CARBOXY-1,3-THIAZOLIDINIUM CARBOXYLATE AND N-ACYL-1,3-THIAZOLIDIN-4-CARBOXYLIC ACID<br/>[FR] PROCÉDÉ D'OBTENTION DE MÉLANGES DE CARBOXYLATE DE 4-CARBOXY-1,3-THIAZOLIDINIUM ET D'ACIDE N-ACYL-1,3-THIAZOLIDIN-4-CARBOXYLIQUE
申请人:UNIV LLEIDA
公开号:WO2009065797A1
公开(公告)日:2009-05-28
The present invention relates to a process for obtaining in a single synthesis stage mixtures of 4-carboxy-1,3-thiazolidium carboxylate and N-acyl-1, 3-thiazolidin-4- carboxylic acids from 1,3-thiazolidin-4-carboxylic acids and derivatives of carboxylic acids, which has the following advantages: use of environmentally friendly solvents, lower energy consumption, lower consumption of acylating reagents, which allows the corresponding mixtures to be obtained with suitable characteristics and specifications, ease of recovery from the reaction medium and high yields.
本发明涉及一种从1,3-噻唑烷-4-羧酸和羧酸衍生物中在单个合成阶段获得4-羧基-1,3-噻唑烷基羧酸酯和N-酰基-1,3-噻唑烷-4-羧酸混合物的过程,具有以下优点:使用环保溶剂、能源消耗较低、酰化试剂消耗较低,从而允许获得具有适当特性和规格的相应混合物,易于从反应介质中回收并且产率高。