tert-Butyl-dimethyl-[(2R,3S,4R,5S)-2,4,6-tris-benzyloxy-1-((R)-2-[1,3]dioxolan-2-yl-propyl)-1,3,5-trimethyl-hexyloxy]-silane 在
tin(ll) chloride 作用下,
以
丙酮 为溶剂,
反应 19.0h,
以72%的产率得到(2R,5R,6S,7R,8S)-5,7,9-Tris-benzyloxy-4-(tert-butyl-dimethyl-silanyloxy)-2,4,6,8-tetramethyl-nonanal