Process for the production of di-n-propylacetic acid

摘要

A process for the preparation of di-n-propylacetic acid which comprises the steps of A. converting n-valeraldehyde-diallyl acetal into allyl-1-pentenyl ether by cleaving one mol of allyl alcohol per one mol of n-valeraldehye-diallyl acetal; B. rearranging the allyl-1-pentenyl ether thermally into 2-propyl-pent-4-en-1-al, C. partially hydrogenating the 2-propyl-pent-en-1-al catalytically to form 2-propyl valeraldehyde, and D. oxidizing the 2-propyl valeraldehyde to form dipropyl-acetic acid.