abstract |
The invention discloses a preparation method of trans 1,3-dilinolein, which comprises: under the action of 4-dimethylaminopyridine and triethylamine, 2,3-dihydroxypropyl (9E, 12E)-9,12-octadecadienoyl ester is reacted with (9E,12E)-9,12-octadecadienoyl chloride to obtain the trans-1,3-dilinolein. Compared with the prior art, the method of the invention has simple operation, high reaction selectivity and high product yield. |