N-[(4aR,6R,7R,8R,8aS)-8-Hydroxy-6-(2-naphthalen-1-yl-ethoxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl]-acetamide 在
sodium hydride 、
N,N'-二环己基碳二亚胺 作用下,
反应 4.0h,
生成 (R)-2-[(4aR,6R,7R,8R,8aS)-7-Acetylamino-6-(2-naphthalen-1-yl-ethoxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-8-yloxy]-propionic acid 2,5-dioxo-pyrrolidin-1-yl ester