(4S,4'S,5S,5'S)-2,2'-(propane-2,2-diyl)bis(4-(hydroxymethyl)-5-phenyl-4,5-dihydrooxazole) 、
2-methyl-3-[2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxyacetyl]oxy-2-[[2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxyacetyl]oxymethyl]propanoic acid 在
4-二甲氨基吡啶 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以24%的产率得到[(4S,5S)-2-[2-[(4S,5S)-4-[[2-methyl-3-[2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxyacetyl]oxy-2-[[2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxyacetyl]oxymethyl]propanoyl]oxymethyl]-5-phenyl-4,5-dihydro-1,3-oxazol-2-yl]propan-2-yl]-5-phenyl-4,5-dihydro-1,3-oxazol-4-yl]methyl 2-methyl-3-[2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxyacetyl]oxy-2-[[2-[(1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexyl]oxyacetyl]oxymethyl]propanoate