The invention relates to a process for the isomerization of unsaturated fatty acids or esters or amides thereof, said process comprising reacting:
(a) an unsaturated fatty acid or ester or amide thereof;
(b) a source of Pd;
(c) a bidentate diphosphine of formula I,
R1R2>P1-R-P2
本发明涉及一种不饱和脂肪酸或其酯或酰胺的异构化过程,该过程包括反应:(a)不饱和脂肪酸或其酯或酰胺;(b)钯的源;(c)式I的双膦配体,R1R2>P1-R-P2 (I),其中P1和P2代表磷原子;R1、R2、R3和R4代表叔丁基;其中R代表可选取代的芳香基跨越P1和P2;(d)低级醇;和(e)酸协同催化剂,在异构化发生的条件下。该过程特别适用于具有羟基的取代烯烃的异构化,当所需的最终产物具有酮基时,例如蓖麻酸或其酯。