tert-butyl-dimethyl-[[(1R,4S,6R,8R)-6-methyl-5-methylidene-9,12-dioxatricyclo[6.3.1.01,6]dodec-10-en-4-yl]oxy]silane 、
间氯过氧苯甲酸 以
二氯甲烷 为溶剂,
以74%的产率得到[(1S,4S,5R,6S,8S,10R,11S)-4-[tert-butyl(dimethyl)silyl]oxy-11-hydroxy-6-methylspiro[9,12-dioxatricyclo[6.3.1.01,6]dodecane-5,2'-oxirane]-10-yl] 3-chlorobenzoate