(3S)-3-Hydroxy-4-oxo-12'-apo-β-carotin-12'-al 、 (S)-3-methyl-5-(4-oleyloxy-2,6,6-trimethyl-3-oxo-1-cyclohexen-1-yl)-2,4-pentadienyl-triphenylphosphonium bromide 在
1,2-环氧丁烷 作用下,
以
异丙醇 为溶剂,
反应 16.5h,
以21.9 g的产率得到(6S)-6-oleyloxy-3-[(all-E)-18-[(4S)-4-hydroxy-2,6,6-trimethyl-3-oxo-1-cyclohexenyl]-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethyl-1-cyclohex-2-enone