Reaktion #697901

Reaktionsgleichung

bis(dichlorosilyl)trichlorosilylmethane

diphenylacetylene

bis(dichlorosilyl)trichlorosilylmethane

diphenylacetylene

→

1,1,3,3-tetrachloro-2-trichlorosilyl-4,5-diphenyl-1,3-disilacyclopentane

Ausbeute 25.0%

Lösungsmittel

benzene

benzene

Reaktionsbedingungen

Aufarbeitung

1. 1
   Sonstigeto form a mixture
2. 2
   workup.ADDITIONwere added over a 30 minute period
3. 3
   Temperaturat reflux temperature for an additional 18 hours
4. 4
   Sonstigethe solvent removed at atmospheric pressure
5. 5
   workup.DISTILLATIONdistilled

Vorschrift

Hydrosilation of diphenylacetylene with bis(dichlorosilyl)trichlorosilylmethane in the presence of Pd(PPh3)4. Into the same apparatus as described in Example 1 were add 0.98 g of bis(dichlorosilyl)trichlorosilylmethane, 0.101 g of Pd(PPh3)4, and 25 ml of dried benzene to form a mixture. The mixture was brought to reflux temperature and 0.52 g of diphenylacetylene in 10 ml of benzene were added over a 30 minute period. The mixture was stirred at reflux temperature for an additional 18 hours and then the solvent removed at atmospheric pressure. The residue was vacuum distilled to yield a mixture comprising 0.417 g of 1,1,3,3-tetrachloro-2-trichlorosilyl-4,5-diphenyl-1,3-disilacyclopentane (TCD-GC area 25%).

Quelle