Process for producing organic polysulfide compounds

Details Process for producing organic polysulfide compounds Process for producing organic polysulfide compounds

1995-01-23

1996-06-25

Killos, Paul J.

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

Organic compounds

Sulfur containing

C07C32100

Patent

active

055301630

ABSTRACT:
A process which can be used to produce organic polysulfide compounds is provided. The process comprises contacting, in the presence of a catalyst, a mercaptan with sulfur under conditions sufficient to produce an organic polysulfide and thereafter, the resulting reaction medium is contacted with an acid to produce an acid-treated organic polysulfide wherein the mercaptan, sulfur, and catalyst are each present in an amount effective to produce an organic polysulfide. The acid-treated organic polysulfide can be purified and recovered.

REFERENCES:
patent: 3308166 (1967-03-01), Biensan et al.
patent: 3392201 (1968-07-01), Warner
patent: 4564709 (1986-01-01), Koyama et al.
patent: 4937385 (1990-06-01), Buchholz et al.
patent: 5206439 (1993-04-01), Shaw
patent: 5218147 (1993-06-01), Shaw
patent: 5232623 (1993-08-01), Shaw
Vineyard, B. D., The Versatility and the Mechanism of the n-Butylamine-Catalyzed Reaction of Thiols with Sulfur, J. Org. Chem., Dec. 1967, pp. 3833-3836.

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