4-Oxo-pentanoic acid (2S,3R,4S,5S,6R)-3-acetoxy-5-benzyloxy-2-[(3R,4S,5R,6R)-4-benzyloxy-5-(2,2-dimethyl-propionyloxy)-6-pent-4-enyloxy-tetrahydro-pyran-3-yloxy]-6-benzyloxymethyl-tetrahydro-pyran-4-yl ester 在
肼 作用下,
以
二氯甲烷 、
水 、
溶剂黄146 为溶剂,
生成
2,2-Dimethyl-propionic acid (2R,3R,4S,5R)-5-((2S,3R,4S,5R,6R)-3-acetoxy-5-benzyloxy-6-benzyloxymethyl-4-hydroxy-tetrahydro-pyran-2-yloxy)-4-benzyloxy-2-pent-4-enyloxy-tetrahydro-pyran-3-yl ester