(4aR,6aR,7aR,8R,11aR,11bS,11cS)-8-(dimethoxymethyl)-4,11c-dimethyl-3-((trimethylsilyl)oxy)-4a,5,6,6a,7,7a,11a,11c-octahydro-8H-8,11b-ethanobenzo[6,7]indeno[1,2-d][1,3]dioxin-10-one 、
聚合甲醛 在
四丁基二氟三苯硅酸铵 作用下,
以
二氯甲烷 为溶剂,
以6 mg的产率得到(11R,16R)-11,16-carbonyldioxy-17,17-dimethoxy-8-epi-18-hydroxyaphidicol-1-en-3-one