(1S,7S,8S,9R,11S)-9-[[tert-butyl(dimethyl)silyl]oxymethyl]-8-hydroxy-2,10-dioxatricyclo[5.3.1.04,11]undec-4-en-6-one 在
吡啶 、
二异丁基氢化铝 作用下,
以
甲苯 为溶剂,
生成 (4S,4aR,5S,6R,7aS,7bS)-6-[((1,1-dimethylethyl)dimethylsilyloxy)methyl]-4,4a,5,6,7a,7b-hexahydro-2H-1,7-dioxacyclopent[cd]indene-4,5-diol