Abstract:
[2σ + 2σ + 2π]-Cycloaddition of quadricyclane to trissilylated ethenes Cl3–nMenSiCH=CSiMenCl3–n(SiMe3–nCln) (n = 1, 2) at 95°C affords 3,3,4-trissilylated exo-tricyclo[4.2.1.02,5]non-7-enes. Tetrakis(trichlorosilyl)ethene does not react with quadricyclane.