1,3-二(4-哌啶基)丙烷 、
2,2-Dimethyl-propionic acid (2R,3S,4S,5R,6R)-2-[5-(3-chlorocarbonyl-propyl)-3'-ethoxycarbonylmethyl-biphenyl-2-yloxy]-3,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-tetrahydro-pyran-4-yl ester 在
4-二甲氨基吡啶 、
三乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以18%的产率得到[(2R,3R,4S,5S,6R)-3,4,5-tris(2,2-dimethylpropanoyloxy)-6-[2-[3-(2-ethoxy-2-oxoethyl)phenyl]-4-[4-[4-[3-[1-[4-[3-[3-(2-ethoxy-2-oxoethyl)phenyl]-4-[(2R,3S,4S,5R,6R)-3,4,5-tris(2,2-dimethylpropanoyloxy)-6-(2,2-dimethylpropanoyloxymethyl)oxan-2-yl]oxyphenyl]butanoyl]piperidin-4-yl]propyl]piperidin-1-yl]-4-oxobutyl]phenoxy]oxan-2-yl]methyl 2,2-dimethylpropanoate