(R)-1-(tert-Butyl-dimethyl-silanyloxy)-6-((1aS,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-heptan-3-one 在
吡啶 、
正丁基锂 、
四丁基氟化铵 作用下,
反应 21.0h,
生成 Toluene-4-sulfonic acid (R)-6-((1aS,3aR,3bS,5aR,6R,8aS,8bS,10R,10aR)-10-methoxy-3a,5a-dimethyl-hexadecahydro-cyclopenta[a]cyclopropa[2,3]cyclopenta[1,2-f]naphthalen-6-yl)-2-methyl-3-methylene-heptyl ester