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US4000146A
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Triamino pyridine compounds
Assignee: Horizons Inc
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Filing: 1975-08-18
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Granted: 1976-12-28
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Expires: 1995-08-18
Abstract
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.
Inventors
- 👤 Arthur H. Gerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:16
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/73; C07D213/74; C07D213/75; C07D213/76; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0627; C08G73/10; C08G73/1003; C08G73/12; C08G73/128; C08G73/18; C08G73/20
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
132 words
Substituted 2,3,5-triamino pyridine compounds represented by the formula: ##STR23## wherein R 1 represents a monovalent member selected from the group consisting of pyridyl, picolyl, quinolyl, and --(CH 2 ) y C 6 H 4 -Z; wherein Z is a meta or para ring substituent selected from the group consisting of H, CH 3 , phenyl, pyridyl, F, Cl, CN, COOH and salts thereof, COOC 6 H 5 , SO 3 H and salts thereof, SH, thioryl, thioalkyl, -CH=CHC 6 H 5 , N,N-dialkylamino and ##STR24## and y is an integer selected from 0, 1 and 2; and wherein each R 2 is a monovalent member selected from the group consisting of hydrogen, methyl, and ethyl and both R 2 's are not required to be the same; and the acid salts thereof.
Claim 2
Dependent Claim
132 words
Substituted 2,3,5-triamino pyridine compounds represented by the formula: ##STR23## wherein R 1 represents a monovalent member selected from the group consisting of pyridyl, picolyl, quinolyl, and --(CH 2 ) y C 6 H 4 -Z; wherein Z is a meta or para ring substituent selected from the group consisting of H, CH 3 , phenyl, pyridyl, F, Cl, CN, COOH and salts thereof, COOC 6 H 5 , SO 3 H and salts thereof, SH, thioryl, thioalkyl, -CH=CHC 6 H 5 , N,N-dialkylamino and ##STR24## and y is an integer selected from 0, 1 and 2; and wherein each R 2 is a monovalent member selected from the group consisting of hydrogen, methyl, and ethyl and both R 2 's are not required to be the same; and the acid salts thereof.
Claim 3
Dependent Claim
40 words
The acid salts of claim 1, wherein the acid is selected from the group consisting of HCl, HBr, H 2 SO 4 , H 3 PO 4 , CF 3 COOH, CF 3 SO 3 H, and lower alkanesulfonic acids.
Claim 4
Dependent Claim
10 words
The compounds of claim 1 wherein R 1 is phenyl.
Claim 5
Dependent Claim
10 words
The compounds of claim 1 wherein R 1 is pyridyl.
Claim 6
Dependent Claim
10 words
The compounds of claim 1 wherein R 1 is benzyl.
Claim 7
Dependent Claim
133 words
Substituted 2,3,5-triamino pyridine compounds represented by the formula: ##STR25## wherein R 1 represents a monovalent member selected from the group consisting of hydrogen, pyridyl, picolyl, quinoyl, and --(CH 2 ) y C 6 H 4 -Z; wherein Z is a meta or para ring substituent selected from the group consisting of H, CH 3 , phenyl, pyridyl, F, Cl, CN, COOH and salts thereof, COOC 6 H 5 , SO 3 H and salts thereof, SH, thioaryl, thioalkyl, -CH=CHC 6 H 5 , N, N-dialkylamino and ##STR26## and y is an integer selected from 0, 1 and 2; and wherein each R 2 is a monovalent member selected from the group consisting of methyl and ethyl and both R 2 's are not required to be the same; and the acid salts thereof.
Claim 8
Dependent Claim
133 words
Substituted 2,3,5-triamino pyridine compounds represented by the formula: ##STR25## wherein R 1 represents a monovalent member selected from the group consisting of hydrogen, pyridyl, picolyl, quinoyl, and --(CH 2 ) y C 6 H 4 -Z; wherein Z is a meta or para ring substituent selected from the group consisting of H, CH 3 , phenyl, pyridyl, F, Cl, CN, COOH and salts thereof, COOC 6 H 5 , SO 3 H and salts thereof, SH, thioaryl, thioalkyl, -CH=CHC 6 H 5 , N, N-dialkylamino and ##STR26## and y is an integer selected from 0, 1 and 2; and wherein each R 2 is a monovalent member selected from the group consisting of methyl and ethyl and both R 2 's are not required to be the same; and the acid salts thereof.
Claim 9
Dependent Claim
40 words
The acid salts of claim 6, wherein the acid is selected from the group consisting of HCl, HBr, H 2 SO 4 , H 3 PO 4 , CF 3 COOH, CF 3 SO 3 H, and lower alkanesulfonic acids.
Claim 10
Dependent Claim
19 words
The compounds of claim 6 wherein R 1 is H and both R 2 's are CH 3 .
Claim 11
Dependent Claim
10 words
The compounds of claim 6 wherein R 1 is phenyl.
Claim 12
Dependent Claim
10 words
The compounds of claim 6, wherein R 1 is pyridyl.
Claim 13
Dependent Claim
10 words
The compounds of claim 6 wherein R 1 is benzyl.
References Cited (Backward Citations)
US3740410A
Cited
US3838154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-12-28 | 1980-06-28 | 1980-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-28 | 1984-06-28 | 1984-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-28 | 1988-06-28 | 1988-12-28 | $7700.00 | Window Closed / Lapsed |