反应详情

Under an argon atmosphere, to a solution of 48.0 g (0.393 mol) of tetramethylcyclopentadiene in 600 ml of THF, 157 ml of 2.5 M (0.393 mol) nBuLi in hexanes were added dropwise over 20 minutes at −80° C. This mixture was additionally stirred for 20 minutes at this temperature, and then for 0.5 hours at room temperature. The resulting mixture was added dropwise over 1.5 hours to a solution of 86.3 g (0.669 mol) of dichlorodimethylsilane in 150 ml of THF. The resulting mixture was stirred overnight at ambient temperature and then evaporated to dryness. Fractional distillation gave a yellow liquid, bp 52-56° C./1 mm Hg. Yield 48.3 g (57%).

1. waitfor 0.5 hours at room temperature
2. stirringThe resulting mixture was stirred overnight at ambient temperature
3. customevaporated to dryness
4. distillationFractional distillation
5. customgave a yellow liquid, bp 52-56° C./1 mm Hg