(2R,3R,4S,5S,6R,1'R,2'S,4'S)-2-[1',2'-diacetoxy-5'-benzyloxy-4'-methoxy-pentyl]-4-triethylsilyloxy-6-allyl-2-methoxy-3,5-dimethyl-2,3,5,6-tetrahydro-4H-pyran 在
potassium osmate(VI) hydroquinindine-2,5-diphenyl-4,6-pyrimidinediyl diether 、
potassium carbonate 、
silver(l) oxide 、 potassium hexacyanoferrate(III) 作用下,
以
水 、
N,N-二甲基甲酰胺 、
叔丁醇 为溶剂,
反应 28.0h,
生成 (2R,3R,4S,5S,6R,1'R,2'S,4'S,2''S)-2-[1',2'-diacetoxy-5'-benzyloxy-4'-methoxy-pentyl]-4-triethylsilyloxy-6-[2''-hydroxy-3''-methoxypropyl]-2-methoxy-3,5-dimethyl-2,3,5,6-tetrahydro-4H-pyran