Process for the preparation of pyridine and 2,6-lutidine

Details Process for the preparation of pyridine and 2,6-lutidine Process for the preparation of pyridine and 2,6-lutidine

1978-04-21

1980-02-19

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D21306

Patent

active

041895851

ABSTRACT:
A process for preparing pyridine with 2,6 lutidine as by-product, by catalytic demethylation of .alpha.-picoline in the gaseous phase with steam is disclosed wherein the demethylation step is conducted at a temperature of 250.degree.-360.degree. C. using a metallic hydrogenation catalyst at a contact time of about 0.5 to 15 seconds. Pyridine is a known important organic base with many uses, such as denaturant for alcohols and solvent in the rubber and paint industries.

REFERENCES:
patent: 3334101 (1967-08-01), Myerly et al.
patent: 3335144 (1967-08-01), Cislak et al.
Zamyschlyaeva et al., Chem. Abst., vol. 62, col. 14619-14620 (1965).
Zamyschlyaeva et al., Vestn. Mosk. Univ. Ser. II, Khim., 20(1), pp. 38-41 (1965).

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