Cyclic silthianes

Organosilicon-sulphur compounds will be considered under six headings defined by structure type. Organothiosilanes RnSi(SR )4 , linear and cyclic silthianes with the SiSSi... 

The names of compounds containing silicon atoms as heteromembers (with or without other heteromembers) but not classifiable as (linear or cyclic) silanes, silazanes, silthianes or siloxanes are derived with the aid of the oxa-aza convention. Examples ... 

HFA causes fission of Si—S bonds in acyclic 109) and cyclic 6) silthians. 

Di(silyl)benzene gives the di(chlorosilyl)benzene reagent upon treatment with boron trichloride (Scheme 3). Contrary to the parent compound, this derivative is readily solvolyzed and gives cyclic siloxanes, silthianes, silazanes and silylphosphines on contact with water, hydrogensulfide, ammonia, amines, or phosphines, respectively. 

The structures and conformations of cyclic and polycyclic silthianes containing Si-Si bonds have been studied at the B3LYP/6-31G level. The most stable structures contain SisS2 rings with Si-S-Si-S-Si- connectivity. 

Herzog U, Bohme U, Roewer G, Rheinwald G, Lang H (2000) Formation and characterization of cyclic and polycyclic silthianes containing Si-Si bonds. J Organomet Chem 602 193... 

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