This overview covers the development in synthesis and reactivity of tin(IV) and tin(II) silicon derivatives made during the last decade. Attention is directed towards compounds with at least more than one silicon–tin bond, i.e. compounds with Si
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Sn
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Si, Sn
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Si
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Sn, Sn
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Sn
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Si or Si
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Si
![single bond](http://www.sciencedirect.com/scidirimg/entities/glyph_sbnd.gif)
Sn sequences in the molecule. Some spectroscopic and structural features will be discussed in addition to their preparation and reactivity.