(10E,16E)-(3R,4R,5R,6R,9S,13R,15R,19S,20R,21S,22S)-5-(tert-Butyl-dimethyl-silanyloxy)-9,15-dimethoxy-4,6,13,20,22-pentamethyl-3-methylsulfanylmethoxy-19,21-bis-triethylsilanyloxy-23-trityloxy-tricosa-10,16-dienal 在
吡啶 、 lithium hydroxide 、
氟化氢吡啶 、
lithium diisopropyl amide 作用下,
以
四氢呋喃 、
甲醇 、
水 为溶剂,
反应 1.0h,
生成 (2E,4E,14E,20E)-(7R,8R,9R,10R,13S,17R,19R,23S,24R,25S,26S)-9-(tert-Butyl-dimethyl-silanyloxy)-23,25-dihydroxy-13,19-dimethoxy-8,10,17,24,26-pentamethyl-7-methylsulfanylmethoxy-27-trityloxy-heptacosa-2,4,14,20-tetraenoic acid