Rigid rod molecules containing two Si(OMe)3 or SiMe(OMe)2 groups for hybrid materials synthesis

The synthesis of new bis(trimethoxysilyl) and bis(dimethoxymethylsilyl)arene compounds containing rigid organic groups such as stilbenyl, diphenylacetylene or diphenylbut-1,3-diyne is reported. The Heck type reaction constituted a convenient route to these compounds, since this coupling reaction appeared compatible with the presence of Si(OR)3 groups.