(1R
*,4aS
*,6S
*,7R
*,9R
*,11aR
*,12S
*)-12-(tert-butyldimethylsiloxy)-1,11a:6,7-diepoxydecahydro-4a,9-methano-4aH-benzocyclononen-2(1H)-one 、 (1R
*,4aR
*,6RR
*,7S
*,9S
*,11aR
*,12R
*)-12-(tert-butyldimethylsiloxy)-1,11a:6,7-diepoxydecahydro-4a,9-methano-4aH-benzocyclononen-2(1H)-one 以
乙醇 为溶剂,
反应 18.0h,
以40.5%的产率得到(3aR
*,5S
*,6R
*,8R
*,12S
*)-12-(tert-butyldimethylsiloxy)-5,6-epoxy-2,3,5,6,7,8,9,10-octahydro-11-hydroxy-3a,8-methano-3aH-cyclopentacyclodecen-1(4H)-one