[(2R,4R,6R,8R,9S)-2-((E)-(R)-6-Benzyloxy-3,5-dimethyl-hex-2-enyl)-8,9-dimethyl-1,7-dioxa-spiro[5.5]undec-4-yloxy]-tert-butyl-dimethyl-silane 在
sodium 作用下,
以
乙醚 、
氨 为溶剂,
反应 0.5h,
以90%的产率得到(E)-(R)-6-[(2R,4R,6R,8R,9S)-4-(tert-Butyl-dimethyl-silanyloxy)-8,9-dimethyl-1,7-dioxa-spiro[5.5]undec-2-yl]-2,4-dimethyl-hex-4-en-1-ol