Hydrido substituted stannasilanes of the type Z-SnR2-Si(H)R′2 or (R′2Si(H))2SnR2 (Z=H, Me, Ph; R, R′=alkyl, Ph) are accessible by reaction of either alkali metal stannides (MSn(Z)R2; M=Li, Na) with halogen substituted silanes (X-Si(H)R′2; X=F, Cl) or chlorostannanes (R2SnCl2, Ph3SnCl) and fluorosilanes (F-Si(H)R′2) in the presence of magnesium. Stannasilanes with halogen substituents at the silicon as well as the tin atom are formed by treatment of the hydrido substituted stannasilanes with CHCl3 or CCl4. The hydrido substituted stannasilanes decompose in contact with air to distannanes and siloxanes or to the linear (tBu2Sn(-O-tBu2Si-OH) 2) and cyclic ((-tBu2Sn-O-iPr2Si-O-) 2) stannasiloxanes.
- X-Ray crystallography
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