Process for the preparation of thieno[3,2-c]pyridine

Details Process for the preparation of thieno[3,2-c]pyridine Process for the preparation of thieno[3,2-c]pyridine

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.

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