Substituted pyridines

Details Substituted pyridines Substituted pyridines

1978-08-25

1980-09-02

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546268, 546283, 546347, 546348, C07D21306

Patent

active

042207851

ABSTRACT:
This invention relates to substituted pyridines prepared by reacting aldehydes, amines, lower carboxylic acids such as acetic acid in the presence of oxygen. The N-substituted pyridinium salts formed can be converted to pyridines by thermal dealkylation.
The reactions can be summarized by the following equations: ##STR1##

REFERENCES:
patent: 2505461 (1950-04-01), Cislak et al.
Spath et al., Chem. Berichte, vol. 69, pp. 761-765 (1936).
Burkhardt et al., Chem. Abstracts, vol. 44, p. 1109 (1950).

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