Substituted pyridines

Details Substituted pyridines Substituted pyridines

1975-08-14

1979-06-19

Rotman, Alan L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546283, 546268, 546347, C07D21320

Patent

active

041587340

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: 2501209 (1950-03-01), Craig
Spath et al., Berichte, vol. 69, pp. 761-765 (1936).
Burkhardt et al., Chem. Abst., vol. 44, col. 1109 (1950).

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