苄胺 、 Methanesulfonic acid (S)-((4S,5S)-5-methanesulfonyloxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-((4R,5S,4'R)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl)-methyl ester 反应 48.0h,
以93%的产率得到(3aR,4R,6aS)-5-Benzyl-2,2-dimethyl-4-((4S,5R,4'R)-2,2,2',2'-tetramethyl-[4,4']bi[[1,3]dioxolanyl]-5-yl)-tetrahydro-[1,3]dioxolo[4,5-c]pyrrole