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US 4,000,146 AGranted
Triamino pyridine compounds
AssigneeHorizons Incorporated, a division of Horizons Research Incorporated
InventorArthur H. Gerber
Life of this patent
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Abstract
Triamino pyridine compounds, and their precursors, are described from which polymers exhibiting excellent thermal stability are prepared by reaction with selected di-, tri- or tetra-functional acid derivatives.
Claims11
Substituted 2,3,5-triamino pyridine compounds represented by the formula:
- ##STR23## wherein R.sub.1 represents a monovalent member selected from the group consisting of pyridyl, picolyl, quinolyl, and --(CH.sub.2).sub.y C.sub.6 H.sub.4 -Z;
- wherein Z is a meta or para ring substituent selected from the group consisting of H, CH.sub.3, phenyl, pyridyl, F, Cl, CN, COOH and salts thereof, COOC.sub.6 H.sub.5, SO.sub.3 H and salts thereof, SH, thioryl, thioalkyl, -CH=CHC.sub.6 H.sub.5, N,N-dialkylamino and ##STR24## and y is an integer selected from 0, 1 and 2;
- and wherein each R.sub.2 is a monovalent member selected from the group consisting of hydrogen, methyl, and ethyl and both R.sub.2 's are not required to be the same;
- and the acid salts thereof.
1 more element
Substituted 2,3,5-triamino pyridine compounds represented by the formula:
- ##STR25## wherein R.sub.1 represents a monovalent member selected from the group consisting of hydrogen, pyridyl, picolyl, quinoyl, and --(CH.sub.2).sub.y C.sub.6 H.sub.4 -Z;
- wherein Z is a meta or para ring substituent selected from the group consisting of H, CH.sub.3, phenyl, pyridyl, F, Cl, CN, COOH and salts thereof, COOC.sub.6 H.sub.5, SO.sub.3 H and salts thereof, SH, thioaryl, thioalkyl, -CH=CHC.sub.6 H.sub.5, N, N-dialkylamino and ##STR26## and y is an integer selected from 0, 1 and 2;
- and wherein each R.sub.2 is a monovalent member selected from the group consisting of methyl and ethyl and both R.sub.2 's are not required to be the same;
- and the acid salts thereof.
1 more element
Dependencies are inferred from the claim text.