(2R,3S,4S)-3-Acetoxy-4-((2R,3R,5R,6R)-6-{(S)-1-[(4S,5S)-5-(1-acetoxy-propyl)-5-methyl-2-oxo-[1,3]dioxolan-4-yl]-ethyl}-3-benzyloxy-6-hydroxy-3,5-dimethyl-tetrahydro-pyran-2-yl)-2-methyl-pentanoic acid methyl ester 在
sodium tetrahydroborate 、
三乙胺 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 21.5h,
生成 (2R,3S,4S,5R,6R,8R,9S,10S)-3,5-Diacetoxy-10-[(4R,5R)-5-((R)-1-acetoxy-propyl)-5-methyl-2-oxo-[1,3]dioxolan-4-yl]-6-benzyloxy-9-hydroxy-2,4,6,8-tetramethyl-undecanoic acid methyl ester