(2S,3S,4S,5R,6S)-3-((4aR,6S,7R,8R,8aR)-7-Azido-8-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(4-methoxy-phenoxy)-4,5-bis-(4-methyl-benzoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester 在
Lindlar's catalyst
吡啶 、
盐酸 、
4-二甲氨基吡啶 、 3 A molecular sieve 、
氢气 、
methyl orange 、 sodium cyanoborohydride 作用下,
反应 25.0h,
生成
(2S,3S,4S,5R,6S)-3-[(2S,3R,4R,5R,6R)-3-Acetylamino-6-benzyloxymethyl-4-(2,2-dimethyl-propionyloxy)-5-hydroxy-tetrahydro-pyran-2-yloxy]-6-(4-methoxy-phenoxy)-4,5-bis-(4-methyl-benzoyloxy)-tetrahydro-pyran-2-carboxylic acid methyl ester