Table 2. Silylium ion generation from hydrosilanes of type R₂PhSiH.

Entry a	R	Si+	δ(29Si) b [ppm]
1	Me	Me3Si+	93
2 c	Et	Et3Si+	100
3	iPr	iPr2PhSi+	76
4	tBu	— d	—

^aAll reactions were performed according to GP 2. See the ESI for details.

^bMeasured in o-Cl₂C₆D₄.

^cWith 4 equiv. of Et₂PhSiH and 7 days reaction time.

^dNo reaction; only Ph₃C⁺[CHB₁₁H₅Br₆]^– was recovered.