Process for the production of sulfur containing organosilicon co

Details Process for the production of sulfur containing organosilicon co Process for the production of sulfur containing organosilicon co

1978-03-07

1978-12-12

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604482N, C07F 718, C07F 710, C07F 708

Patent

active

041295854

ABSTRACT:
There is provided a process for the production of sulfur containing organosilicon compounds of the formula (I) Z -- Alk -- S.sub.x -- Alk -- Z, where Z is the grouping: ##STR1## in which R.sup.1 is an alkyl group having 1 to 5 carbon atoms, a cycloalkyl group with 5 to 8 carbon atoms, the benzyl group, phenyl or phenyl substituted with at least one methyl, ethyl or chloro group, R.sup.2 is alkoxy of 1 to 4 carbon atoms, methoxyethoxy, cycloalkoxy with 5 to 8 carbon atoms, phenoxy or benzyloxy, R.sup.3 and R.sup.4 are alkyl of 1 to 3 carbon atoms or hydrogen, Alk is divalent saturated hydrocarbon group having 1 to 5 carbon atoms or such a group interrupted by --O--, --S-- or --NH-- and x is a number from 2.0 to 6.0 comprising reacting an alkali metal alcoholate, preferably in alcoholic solution with a compound of the formula (II) Z -- Alk -- Hal, where Hal is chlorine, bromine or iodine with a hydrosulfide of the formula (III) MeSH, in which Me is ammonium, an alkali metal atom or an equivalent of an alkaline earth metal or zinc and with sulfur, preferably in the presence of at least one organic solvent, separating from the halide formed, and removing the organic solvent.

REFERENCES:
patent: 3946059 (1976-03-01), Janssen et al.
patent: 3957844 (1976-05-01), Mui
patent: 3997581 (1976-12-01), Pletka et al.
patent: 4072701 (1978-02-01), Pletka et al.

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