Acetic acid (2R,3R,4S,5S,6R)-2-((1R,6R)-6-acetoxy-cyclohex-3-enyloxy)-4,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-3-yl ester 在
四氧化锇 、
N-甲基吲哚酮 作用下,
以81%的产率得到Acetic acid (2R,3R,4S,5S,6R)-2-((1R,2R)-2-acetoxy-4,5-dihydroxy-cyclohexyloxy)-4,5-bis-benzyloxy-6-benzyloxymethyl-tetrahydro-pyran-3-yl ester