Process for the manufacture of thiophene

Details Process for the manufacture of thiophene Process for the manufacture of thiophene

1991-08-22

1992-11-24

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D33310

Patent

active

051663627

ABSTRACT:
The invention relates to the manufacture of thiophene by catalytic dehydrogenation of tetrahydrothiophene.
Ruthenium sulphide, optionally mixed with sulphides of one or more other transition metals is employed as bulk or supported catalyst.

REFERENCES:
patent: 2440671 (1949-05-01), Boyd, Jr.
patent: 2694075 (1954-11-01), Ruidisch et al.
patent: 3822289 (1974-07-01), Clark et al.
patent: 3939179 (1976-02-01), Bell et al.
patent: 4143052 (1976-03-01), Barrault et al.
M. La Croix, et al., Journal of Catalysis, 120 (2) pp. 473-477 (1989).
T. S. Sukharova et al., "An Investigation of the Mechanism or Formation of Thiophene in the Presence of Sulphide Catalysts", Geterogennyi Kataliz, 2. Varna, 1979.

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