2-(三甲基硅烷基)乙氧甲基氯 、 (2S,3S,6S,8aR)-6-Benzo[1,3]dioxol-5-yl-3-(tert-butyl-dimethyl-silanyloxymethyl)-6-(1-hydroxy-allyl)-8a-methyl-2-phenyl-hexahydro-oxazolo[3,2-a]pyridin-5-one 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
以80%的产率得到(2S,3S,6S,8aR)-6-Benzo[1,3]dioxol-5-yl-3-(tert-butyl-dimethyl-silanyloxymethyl)-8a-methyl-2-phenyl-6-[1-(2-trimethylsilanyl-ethoxymethoxy)-allyl]-hexahydro-oxazolo[3,2-a]pyridin-5-one