巴豆酸甲酯 、
tert-butyl-dimethyl-[(1R)-3-(1-trimethylsilyloxyethenyl)cyclohex-2-en-1-yl]oxysilane 在
甲基锂 、
sodium methylate 作用下,
生成 methyl (1R,2S,4aS,8R,8aS)-8-[tert-butyl(dimethyl)silyl]oxy-2-methyl-4-oxo-2,3,4a,5,6,7,8,8a-octahydro-1H-naphthalene-1-carboxylate