甲基锂 、 3-{4-[3-(4-[1,3]Dioxan-2-yl-phenyl)-1-methyl-buta-1,2-dienyl]-phenyl}-1-{4-[1-methyl-3-(4-trimethylsilanylethynyl-phenyl)-buta-1,2-dienyl]-phenyl}-propynone 以95%的产率得到4-{4-[3-(4-[1,3]Dioxan-2-yl-phenyl)-1-methyl-buta-1,2-dienyl]-phenyl}-2-{4-[1-methyl-3-(4-trimethylsilanylethynyl-phenyl)-buta-1,2-dienyl]-phenyl}-but-3-yn-2-ol