Nitrogen-containing aromatic heterocyclic compounds as anti-oxid

Details Nitrogen-containing aromatic heterocyclic compounds as anti-oxid Nitrogen-containing aromatic heterocyclic compounds as anti-oxid

1975-10-06

1977-08-16

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

544208, 544211, 544198, 544 83, 544113, 544197, 544209, C08K 535, C07D41314, C07D41304

Patent

active

040425622

ABSTRACT:
The present invention concerns novel nitrogen-containing aromatic heterocyclic compounds of the formula: ##STR1## wherein R is a group of the formula ##STR2## wherein R.sub.1 and R.sub.2 are substituents, e.g. alkyl and R.sub.3 is hydrogen or a substituent, e.g. alkyl; R.sub.4 is a group R.sub.14 --X--, wherein R.sub.14 is a substituent, e.g. alkyl and X is --O--, --S-- or ##STR3## wherein R.sub.6 is hydrogen or a substituent, e.g. alkyl, or R.sub.4 is a heterocyclic ring or has one of the significances of R; R.sub.5 has one of the significances of R.sub.4 ; and Y is --N.dbd. or --CH.dbd..

REFERENCES:
patent: 3869423 (1975-03-01), Minagawa et al.
patent: 3878163 (1975-04-01), Dexter et al.
Thomae, Dr. Karl, G.m.b.H., Chemical Abstracts, vol. 70, 28,946g (1969).

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