(3aS,4S,5S,5aR,9aS,9bS)-5-[tert-butyl(dimethyl)silyl]oxy-2,2-dimethyl-4-phenylmethoxy-9b-propyl-9a-trimethylsilyloxy-4,5,5a,6-tetrahydro-3aH-naphtho[1,2-d][1,3]dioxol-9-one 、
Methyl 2-(fluoromethyl)-5-[4-(fluoromethyl)-2,3-dimethoxy-5-methoxycarbonyl-6-(methoxymethoxy)phenyl]-3,4-dimethoxy-6-(methoxymethoxy)benzoate 在
2,2,6,6-四甲基哌啶 、
正丁基锂 、
六甲基二硅氮烷 、 magnesium bromide ethyl etherate 作用下,
以
四氢呋喃 、
正己烷 、
乙醚 、
苯 为溶剂,
反应 4.0h,
生成 (3S,4S,8S,9S,10S,11R)-10-[tert-butyl(dimethyl)silyl]oxy-18-[(3S,4S,8S,9S,10S,11R)-10-[tert-butyl(dimethyl)silyl]oxy-14-fluoro-21-hydroxy-16,17-dimethoxy-19-(methoxymethoxy)-6,6-dimethyl-2-oxo-9-phenylmethoxy-4-propyl-3-trimethylsilyloxy-5,7-dioxapentacyclo[11.8.0.03,11.04,8.015,20]henicosa-1(21),15(20),16,18-tetraen-18-yl]-14-fluoro-21-hydroxy-16,17-dimethoxy-19-(methoxymethoxy)-6,6-dimethyl-9-phenylmethoxy-4-propyl-3-trimethylsilyloxy-5,7-dioxapentacyclo[11.8.0.03,11.04,8.015,20]henicosa-1(21),15(20),16,18-tetraen-2-one