[(3R)-1-[[(4aR,6R,7R,8R,8aS)-8-hydroxy-2,2-dimethyl-6-phenylmethoxy-4,4a,6,7,8,8a-hexahydropyrano[3,2-d][1,3]dioxin-7-yl]amino]-1-oxotetradecan-3-yl] butanoate 在
吡啶 、
4-二甲氨基吡啶 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 4.0h,
生成 Butyric acid (R)-1-{[(2R,3R,4R,5S,6R)-2-benzyloxy-5-hydroxy-6-hydroxymethyl-4-(2,2,2-trichloro-ethoxycarbonyloxy)-tetrahydro-pyran-3-ylcarbamoyl]-methyl}-dodecyl ester