Process for preparing (mercaptoorganyl)alkoxysilanes

US6995280B2 · kind B2 · utility

Assignee

• Degussa AG · DE

Inventors

• Karsten Korth · Wyhlen, DE
• Philipp Albert · Bad Kötzting, DE
• Ingo Kiefer · Schopfheim, DE

Key dates

• Filing date: Nov 4, 2004
• Grant date: Feb 7, 2006
• Expiry date: Nov 8, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/1892
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention is directed to a process for preparing (mercaptoorganyl)alkoxysilanes by conversion of alkali-metal hydrogensulfide with a mixture of (haloorganyl)alkoxysilane and (haloorganyl)halosilane in an alcohol with air excluded and at an elevated pressure.