methyl (2Z)-3-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]acrylate 、
Lithium; 5-methoxymethoxy-cyclohexa-1,5-dienolate 以
四氢呋喃 为溶剂,
反应 10.0h,
以86%的产率得到(1S,2R,3R,4R)-3-((S)-2,2-Dimethyl-[1,3]dioxolan-4-yl)-1-methoxymethoxy-5-oxo-bicyclo[2.2.2]octane-2-carboxylic acid methyl ester