in benzene-d6 byproducts: cyclo(-CH=CH-N(t-Bu)-Si-N(t-Bu)-), cyclo(-CH=CH-N(t-Bu)-Si(Cl)2-N(t-Bu)-), [cyclo(-CH=CH-N(t-Bu)-Si(Cl)-N(t-Bu)-]2; Ar atmosphere, NMR-tube, 100°C (3 h); NMR-monitoring;

in hexane byproducts: [cyclo(-CH=CH-N(t-Bu)-Si(Cl)-N(t-Bu)-]2; Irradiation (UV/VIS); Ar atmosphere, 6 d;