(-)-(3aS,4S,7S,7aR)-4-[2-(tert-butyldiphenylsilyloxy)propyl]tetrahydro-3aH-spiro[[1,3]dioxolo[4,5-c]pyran-2,1'-cyclohexan]-7-ol 在
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 22.0h,
以72%的产率得到(+)-(3aS,4S,7aS)-4-[2-(tert-butyldiphenylsilyloxy)propyl]dihydro-3aH-spiro[[1,3]dioxolo[4,5-c]pyran-2,1'-cyclohexan]-7(4H)-one