(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(4-(2,2,6,6-tetramethyl-1-(2-methyl-1-phenylpropoxy)piperidine-4-yloxy)but-2-enyloxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
sodium methylate 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
反应 2.0h,
以85%的产率得到(2R,3R,4S,5R,6R)-2-hydroxymethyl-6-{4-[2,2,6,6-tetramethyl-1-(2-methyl-1-phenylpropoxy)piperidine-4-yloxy]but-2-enyloxy}tetrahydro-2H-pyran-3,4,5-triol