1,4,6,10-tetra-double bond pentadec-carbon phosphonate of formula (4), and preparation method thereof are provided. The preparation method comprises: reacting a pseudo ionone of formula (2) with sulfonium salt to prepare a epoxide of formula (9), and then reacting the epoxide of formula (9) with magnesium bromide to prepare a C-14 aldehyde of formula (3); condensing the C-14 aldehyde of formula (3) with tetra-alkyl methylene diphosphonate to obtain 1,4,6,10-tetra-double bond pentadec-carbon phosphonate of formula (4). Furthermore, the preparation method of lycopene via 1, 4, 6, 10-tetra-double bond pentadec-carbon phosphonate of formula (4) is also provided. The present method has the advantages of short route, easily obtained raw materials, and low cost.
提供了式(4)的1,4,6,10-四双键十五碳
膦酸盐及其制备方法。该制备方法包括:将式(2)的假离子酮与锍盐反应,制备式(9)的
环氧化物,然后将式(9)的
环氧化物与
溴化镁反应,制备式(3)的C-14醛;将式(3)的C-14醛与亚甲基四烷基
二膦酸盐缩合,得到式(4)的1,4,6,10-四双键十五碳
膦酸盐。此外,还提供了通过式(4)的 1,4,6,10-四双键十五碳
膦酸盐制备
番茄红素的方法。本方法具有路线短、原料易得、成本低等优点。