乙酰溴 、
(S)-5-Methyl-3-{(2S,3S,11R)-2,3,11-trihydroxy-11-[(2R,5R,2'R,5'R)-5'-((R)-1-hydroxy-undecyl)-octahydro-[2,2']bifuranyl-5-yl]-undecyl}-5H-furan-2-one 以
二氯甲烷 为溶剂,
以72%的产率得到Acetic acid (1R,9R,10S)-10-acetoxy-1-[(2R,5R,2'R,5'R)-5'-((R)-1-acetoxy-undecyl)-octahydro-[2,2']bifuranyl-5-yl]-9-bromo-11-((S)-5-methyl-2-oxo-2,5-dihydro-furan-3-yl)-undecyl ester