Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1980-12-22
1982-01-19
Raymond, Richard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C07D49504
Patent
active
043118453
ABSTRACT:
The present invention relates to a process for the preparation of thieno[3,2-c]pyridine, wherein 4,5,6,7-tetrahydrothieno[3,2-c]pyridine is catalytically dehydrogenated in the gaseous phase at a temperature of from about 350.degree. to about 600.degree. C. using a catalyst comprising at least one metal or metal oxide of which the metal component is selected from chromium, nickel, molybdenum, cobalt and tungsten, optionally in association with magnesium, sodium or iron or the oxides thereof, the catalyst being deposited on an inert carrier.
REFERENCES:
Hertz et al., JACS, vol. 75 (1953), p. 5122.
Braye Emile H.
Ollivier Jean-Marie
Raymond Richard
Sanofi
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