2-[(1E,6Z,8E)-(4R,5R)-5-(tert-Butyl-dimethyl-silanyloxy)-11-(tert-butyl-diphenyl-silanyloxy)-4-methyl-undeca-1,6,8-trienyl]-[1,3]dioxane 在
lithium perchlorate 作用下,
以
硝基甲烷 为溶剂,
以65%的产率得到2-{1-(tert-Butyl-dimethyl-silanyloxy)-5-[2-(tert-butyl-diphenyl-silanyloxy)-ethyl]-2-methyl-2,3,3a,4,5,7a-hexahydro-1H-inden-4-yl}-[1,3]dioxane