Process for the preparation of organic disulphides and polysulph

Details Process for the preparation of organic disulphides and polysulph Process for the preparation of organic disulphides and polysulph

1989-04-03

1991-11-26

Ceperley, Mary E.

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

Organic compounds

Sulfur containing

560147, 568 22, 568 25, 568 26, C07C31922

Patent

active

050684450

ABSTRACT:
The invention relates to the preparation of organic disulphides and polysulphides by the action of sulphur on a mercaptan or on a polysulphide which is lower in sulphur, in the presence of a basic catalyst.
In the process according to the invention, an anion exchange resin is used as catalyst.

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patent: 4564709 (1986-01-01), Koyama et al.
patent: 4721813 (1988-01-01), Mark et al.
E. Reid, Organic Chemistry of Bivalent Sulfur, vol. 1, pp. 118-122 (1958), Chem. Publishing Co. Inc. N.Y.
Chemical Abstracts, vol. 107, No. 5, 1987, p. 657, No. 39367c, Columbus, Ohio, U.S., Kuznetsova et al.

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