The invention relates to a process for the selective extraction of a reaction product, derived from an oxidative cleavage of an unsaturated fatty acid or of an ester derivative or of an unsaturated nitrile derivative, said reaction product being an ω-functionalized acid from among C
6
to C
15
diacids, acid esters and acid nitriles, using as selective extraction solvent a composition comprising a mixture of water and of C
1
-C
4
carboxylic acid. The invention also relates to the use of said process and of the extraction solvent composition for the preparation of C
6
to C
15
amino acid, diacid or acid ester monomers for the preparation of polycondensation polymers, in particular polyamides.
该发明涉及一种用于选择性提取反应产物的过程,所述反应产物源自不饱和
脂肪酸或酯衍
生物或不饱和腈衍
生物的氧化裂解,所述反应产物为C6到C15二酸、酸酯和酸腈中的ω-官能化酸,所述选择性提取溶剂为包含
水和C1-C4
羧酸混合物的组合物。该发明还涉及所述过程和提取溶剂组合物的用途,用于制备C6到C15
氨基酸、二酸或酸酯单体,以制备聚酰胺等聚合物,特别是聚酰胺。