MANUFACTURE OF 2-PHENYLETHYLCHLOROSILANE

The present invention relates to a method of preparing 2-phenylethylchlorosilanes. Hydrogen chlorosilanes and styrene are used as starting products, and they are reacted together in the presence of benzothiazole. Benzothiazole is used at least in the same amount as the platinum catalyst. The preferr...

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Hauptverfasser:	HANSUUYOAHIMU FUAARENJIIKU, KURAUSUUDEIITORITSUHI ZAIRAA
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a method of preparing 2-phenylethylchlorosilanes. Hydrogen chlorosilanes and styrene are used as starting products, and they are reacted together in the presence of benzothiazole. Benzothiazole is used at least in the same amount as the platinum catalyst. The preferred molar ratio of platinum catalyst to benzothiazole is between 1:2 and 1:50. The reaction can be performed with high yields of the 2-isomer, which is virtually free of the 1-isomer, at temperatures up to about 90 DEG C. At the same time, an excess pressure of up to 6 bar is easily tolerable without marked reduction of the yields of the desired product.