(R)-4-{(S)-2-[2-((4aR,6R,7R,8R,8aS)-7-Acetylamino-6-hexadecyloxy-2-methyl-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy)-propionylamino]-propionylamino}-4-octadecylcarbamoyl-butyric acid benzyl ester 在
溶剂黄146 作用下,
反应 0.5h,
以87%的产率得到(R)-4-{(S)-2-[2-((2R,3R,4R,5S,6R)-3-Acetylamino-2-hexadecyloxy-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yloxy)-propionylamino]-propionylamino}-4-octadecylcarbamoyl-butyric acid benzyl ester