[(3R)-1-[(4-methoxyphenyl)methoxy]hex-5-en-3-yl] 2-[tert-butyl(dimethyl)silyl]oxy-6-[(E)-2-[(2S,3S)-2-ethenyl-1,4-dioxaspiro[4.5]decan-3-yl]ethenyl]benzoate 在
Grubbs catalyst first generation 作用下,
以
二氯甲烷 为溶剂,
反应 24.0h,
以47%的产率得到(2E,4S,8S,9E,12R)-16-[tert-butyl(dimethyl)silyl]oxy-12-[2-[(4-methoxyphenyl)methoxy]ethyl]spiro[5,7,13-trioxatricyclo[13.4.0.04,8]nonadeca-1(15),2,9,16,18-pentaene-6,1'-cyclohexane]-14-one