(-)-(S)-acetic acid [(1R,2R,4R,5S)-5-(tert-butyldiphenylsilyloxy)-2-hydroxymethyl-3,3-dimethyl-7-oxabicyclo[2.2.1]heptan-1-yl](2-hydroxymethylcyclohex-1-enyl)methyl ester 在
四丙基高钌酸铵 N-甲基吲哚酮 作用下,
以
丙酮 为溶剂,
反应 1.5h,
以70%的产率得到[(1R,2S,12R,14R,15S)-15-[tert-butyl(diphenyl)silyl]oxy-13,13-dimethyl-9-oxo-10,17-dioxatetracyclo[12.2.1.01,12.03,8]heptadec-3(8)-en-2-yl] acetate