Acetic acid (R)-[(4R,5R)-5-((R)-acetoxy-phenyl-methyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-((R)-2,2-dimethyl-[1,3]dioxolan-4-yl)-methyl ester 在
溶剂黄146 作用下,
以91%的产率得到Acetic acid (R)-[(4R,5R)-5-((1R,2R)-1-acetoxy-2,3-dihydroxy-propyl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-phenyl-methyl ester