6-Desacylzaragozic acid C-7-(methylmethoxyethyl)-3,4,5-tri-tert-butyl ester 在
air 作用下,
以
氘代氯仿 为溶剂,
反应 72.0h,
以100%的产率得到(1S,3S,4S,5R,6R,7R,4'R,5'R)-1-[4'-acetoxy-5'-methyl-6'-phenylhex-1'-yl]-3,4,5-tris(2,2-dimethylpropionyl)-4,6,7-trihydroxy-2,8-dioxabicyclo[3.2.1]octane