<2R,2(1S,2(2S,3R,4S,6R,8S,8(2R),9S)),4S>-2-<2-<3,9-dimethyl-4-<(2,2,2-trichloroethoxy)methoxy>-8-<2-<<(1-methylethyl)diethylsilyl>oxy>but-1-yl>-1,7-dioxaspiro<5.5>undecan-2-yl>-1-<(4-methoxyphenyl)methoxy>eth-1-yl>-N,4-dimethyl-5-<<(1,1-dimethylethyl... 在
二异丁基氢化铝 作用下,
以
四氢呋喃 为溶剂,
反应 1.1h,
以92%的产率得到<2R,2(1S,3R,4S,6R,8S,8(2R),9S),4S>-2-<2-<3,9-dimethyl-4-<(2,2,2-trichloroethoxy)methoxy>-8-<2-<<(1-methylethyl)diethylsilyl>oxy>but-1-yl>-1,7-dioxaspiro<5.5>undecan-2-yl>-1-<(4-methoxyphenyl)methoxy>eth-1-yl>-4-methyl-5-<<(1,1-dimethylethyl)dimethyls...