(2S,3R,4R,6S)-3-hydroxy-2,4,6-trimethyloct-7-enoic acid 、
2-[[(1S,2S,4S,5S)-1-(dimethoxymethyl)-5-methyl-4-(phenylmethoxymethyl)-2-(3-phenylselanylpropyl)cyclohexyl]oxymethyl]naphthalene 在
异丙氧基三甲基硅烷 、
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
反应 0.5h,
生成 (2R,5S,6R)-5-methyl-6-[(2R,4S)-4-methylhex-5-en-2-yl]-2-[(1S,2S,4S,5S)-5-methyl-1-(naphthalen-2-ylmethoxy)-4-(phenylmethoxymethyl)-2-(3-phenylselanylpropyl)cyclohexyl]-1,3-dioxan-4-one