Twisted oxygen-containing oligosilanes--unprecedented examples of sigma-n mixed conjugated systems.
Twisting the silicon backbone conformation in oxygen containing oligosilanes towards dihedral angles of 120-130 degrees either by intramolecular hydrogen bonding or incorporation into a covalently bonded ring system effectively extends the delocalization of electrons in these sigma-n mixed conjugated systems.
Krempner
Clemens
C
Institut für Chemie, A.-Einstein-Str. 3a, 18059 Rostock, Germany. clemens.krempner@uni-rostock.de
Ludwig
Ralf
R
Flemming
Anke
A
Miethchen
Ralf
R
Köckerling
Martin
M