Synthesis and Reactions
Phenylsilane is produced in two steps from Si(OEt)4. In the first step, phenylmagnesium bromide is added to form Ph-Si(OEt)3 via a Grignard reaction. Reduction of the resulting Ph-Si(OEt)3 product with LiAlH4 affords phenylsilane.
- Ph-MgBr + Si(OEt)4 → Ph-Si(OEt)3 + MgBr(OEt)
- 4 Ph-Si(OEt)3 + 3 LiAlH4 → 4 Ph-SiH3 + 3 LiAl(OEt)4
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