(2R,3S,4R,5R)-2-(acetoxymethyl)-6-(2-(2-(2-chloroethoxy)ethoxy)ethoxy)-5-((1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl)amino)tetrahydro-2H-pyran-3,4-diyl diacetate 在
sodium 作用下,
以
甲醇 为溶剂,
反应 0.5h,
以94%的产率得到2-(1-(((3R,4R,5S,6R)-2-(2-(2-(2-chloroethoxy)ethoxy)ethoxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)amino)ethylidene)-5,5-dimethylcyclohexane-1,3-dione