Definition: Compounds similar to hydrocarbons in which a tetravalent silicon atom replaces the carbon atom. They are very reactive, ignite in air, and form useful derivatives.
bis(tri-n-hexylsiloxy)(2,3-naphthalocyaninato)silicon [ HexSiPc,SINC,bis (tri n-hexylsiloxy) silicon phthalocyanine,bis(tri-n-hexylsiloxy)silicon phthalocyanine ] potential photosensitizer for photodynamic therapy; structure given in first source