(2R,3S,4S,5R,6R,8R,10R)-3,5-Diacetoxy-10-[(4R,5R)-5-((R)-1-acetoxy-propyl)-5-methyl-2-oxo-[1,3]dioxolan-4-yl]-6-benzyloxy-2,4,6,8-tetramethyl-9-oxo-undecanoic acid methyl ester 在
吡啶 、 sodium tetrahydroborate 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,9R,10R)-3,5-Diacetoxy-10-[(4R,5R)-5-((R)-1-acetoxy-propyl)-5-methyl-2-oxo-[1,3]dioxolan-4-yl]-6-benzyloxy-9-methanesulfonyl-2,4,6,8-tetramethyl-undecanoic acid methyl ester