Catalytic reduction of aromatic sulfonyl halides with hydrogen s

Details Catalytic reduction of aromatic sulfonyl halides with hydrogen s Catalytic reduction of aromatic sulfonyl halides with hydrogen s

1978-02-27

1978-12-05

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260302S, 260302F, 260308R, 260608, 544315, 544408, 548337, 548346, 546290, 546179, 546139, C07C14928

Patent

active

041285867

ABSTRACT:
A process for reducing aromatic sulfonyl halides with hydrogen sulfide. Hydrogen sulfide is contacted with sulfonyl halides preferably in the presence of a solvent and of a catalyst. The reaction forms thiols and proceeds in the range of between about 50.degree. and 300.degree. C. There is little formation of disulfide and no cleavage of the thiol group.

REFERENCES:
patent: 2402641 (1946-06-01), Lazler et al.
patent: 2792422 (1957-05-01), Harris et al.
patent: 2820780 (1958-01-01), Gutcho et al.
patent: 2986581 (1961-05-01), Levy et al.
patent: 3994980 (1976-11-01), Kubicek

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