(3S,4S,5S,6R,1'R,2'E)-3-(4'-hydroxy-3'-methyl-1'-propanoylaminobut-2'-enyl)-4-hydroxy-3,5-dimethyl-6-prop-2''-enyltetrahydropyran-2-one 在
2,6-二甲基吡啶 、 sodium disulfite 、
四氧化锇 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
生成 (3S,4S,5R,6R,1'R,2'E,2''RS)-4-tert-butyldimethylsilyloxy-3-(4'-tert-butyldimethylsilyloxy-3'-methyl-1'-propanoylaminobut-2'-enyl)-6-(2'',3''-dihydroxypropyl)-3,5-dimethyltetrahydropyran-2-one