2(R),4a(R),6(R),7(S),11a(S)-7-benzyloxy-6-tbutyldimethylsilyloxymethyl-2-(4-methoxy-phenyl)-4a,6,7,8,11,11a-hexahydro-4H-1,3,5-trioxa-benzocyclononene 在
二异丁基氢化铝 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以45%的产率得到[(2R,3S,5Z,8S,9R)-9-[[tert-butyl(diphenyl)silyl]oxymethyl]-3-[(4-methoxyphenyl)methoxy]-8-phenylmethoxy-2,3,4,7,8,9-hexahydrooxonin-2-yl]methanol