[EN] 2-OXO-1,3-DIOXOLANE-4-ACYL HALIDES, THEIR PREPARATION AND USE<br/>[FR] HALOGÉNURES DE 2-OXO-1,3-DIOXOLANE-4-ACYLE, LEUR PRÉPARATION ET LEUR UTILISATION
申请人:CONSTR RES & TECH GMBH
公开号:WO2014206636A1
公开(公告)日:2014-12-31
The present invention suggests 2-oxo-1,3-dioxolane-4-acyl halides of formula (I), wherein X is selected from F, Cl, Br, I and mixtures thereof, preferably Cl, processes for the preparation of said 2-oxo-1,3-dioxolane-4-acyl halides, the use of said 2-oxo-1,3-dioxolane-4-acyl halides for the preparation of 2-oxo-1,3-dioxolane-4-carboxylic esters of formula (II), the use of said 2-oxo-1,3-dioxolane-4-acyl halides for the preparation of 2-oxo-1,3-dioxolane-4-carboxamidesof formula (III), and also the use of said 2-oxo-1,3-dioxolane-4-acyl halides as agents for the blocking of amines.
本发明提出了式(I)的2-氧代-1,3-二氧杂环戊酰卤化物,其中X从F、Cl、Br、I和它们的混合物中选择,优选为Cl,以及制备所述2-氧代-1,3-二氧杂环戊酰卤化物的方法,使用所述2-氧代-1,3-二氧杂环戊酰卤化物制备式(II)的2-氧代-1,3-二氧杂环戊酸酯,使用所述2-氧代-1,3-二氧杂环戊酰卤化物制备式(III)的2-氧代-1,3-二氧杂环戊酰胺,以及使用所述2-氧代-1,3-二氧杂环戊酰卤化物作为胺的阻滞剂。