(4S,6R,2'R,5'R,2''R,4''R,5''R)-1-[2'-benzyloxymethyl-2'-methyl-tetrahydrofuran-5'-yl]-6-[2''-methyl-2''-carbomethoxy-4''-dimethylphenylsilanyl-tertrahydrofuran-5''-yl]-4-benzyloxy-4-methyl-6-hydroxy-hex-1-one 在
palladium dihydroxide 氢气 作用下,
以
甲醇 为溶剂,
反应 2.0h,
以82%的产率得到(1S,3R,5S,2'R,5'R,2''R,4''R,5''R)-1-[2'-benzyloxymethyl-2'-methyl-tetrahydrofuran-5'-yl]-3-[2''-carbomethoxy-2''-methyl-4''-dimethylphenylsilanyl-tetrahydrofuran-5''-yl]-5-methyl-2,8-dioxabicyclo-[3.2.1]octane