Process for producing mercaptoorganyl (alkoxysilane)

Details Process for producing mercaptoorganyl (alkoxysilane) Process for producing mercaptoorganyl (alkoxysilane)

2008-03-04

2008-03-04

Eyler, Yvonne (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C556S467000

Reexamination Certificate

active

11220835

ABSTRACT:
The invention concerns a process for producing mercaptoorganyl(alkoxysilanes), wherein bis(alkoxysilylorganyl)polysulfides are hydrogenated at temperatures of <190° C. and pressures of <100 bar with hydrogen and a transition metal catalyst without the addition of water, alcohol or H2S.

REFERENCES:
patent: 5493058 (1996-02-01), Cadot et al.
patent: 6147242 (2000-11-01), Batz-Sohn
patent: 6433206 (2002-08-01), Gedon et al.
patent: 6777474 (2004-08-01), Yanagisawa
patent: 1 285 926 (2003-02-01), None
Broadbent, H. Smith et al., “Rhenium Sulfides as Liquid-Phase Hydrogenation Catalysts. A Comparison with Molybdenum Sulfide and Cobalt Polysulfide,” Journal of the American Chemical Society, Mar. 20, 1954, pp. 1519-1523, vol. 76, American Chemical Society, Washington, D.C. (XP002227638).
Database Beilstein Online!, Beilstein Institute for Organic Chemistry, Dec. 31, 1996, Frankfurt-Main, Germany (XP002357068).

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