Process for the preparation of quinolines

Details Process for the preparation of quinolines Process for the preparation of quinolines

1976-12-17

1979-05-15

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546166, C07D21506

Patent

active

041549333

ABSTRACT:
In a process for treating 2-(beta-cyanoethyl)-cyclohexanones with a dehydrogenation catalyst to produce the corresponding quinolines, the improvement comprising passing the 2-(beta-cyanoethyl)-cyclohexanone over a dehydrogenation catalyst at temperatures below 230.degree. C. and thereafter contacting the resulting reaction product, in the gaseous state and in the presence of hydrogen, at a temperature of over 230.degree. C.

REFERENCES:
patent: 3007931 (1961-11-01), Simpson et al.
patent: 4028362 (1977-06-01), Thoma et al.

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