US5750693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disubstituted acetylenes bearing heterobicyclic groups and heteroaromatic or phenyl groups having retinoid like activity
Assignee: Allergan Inc
•
Filing: 1997-03-19
•
Granted: 1998-05-12
•
Expires: 2017-03-19
Abstract
Abstract Compounds of the formula ##STR1## where R 1 and R 2 , independently are alkyl groups having 2 to 8 carbons; R 3 is hydrogen or lower alkyl; X is S, O or N--R 4 where R 4 is hydrogen or lower alkyl; Y is phenyl or pyridyl, thienyl, furyl, pyridazinyl, pyrimidinyl, and pyrazinyl; A is (CH 2 ) n where n is 0-5, or lower branched chain alkyl, alkenyl having 2 to 6 carbons and 1 or 2 double bonds, alkynyl having 2 to 6 carbons and 1 or 2 triple bonds; B is hydrogen, COOH or a salt thereof, COOR 5 , CONR 6 R 7 , --CH 2 OH, CH 2 OR 8 , CH 2 OCOR 8 , CHO, CH(OR 9 ) 2 , CHOR 10 O, --COR 11 , CR 11 (OR 9 ) 2 , or CR 11 OR 10 O, where R 5 is alkyl of 1 to 10 carbons, or cycloalkyl of 5 to 10 carbons, or R 5 is phenyl or lower alkylphenyl, R 6 and R 7 independently are hydrogen, alkyl of 1 to 10 carbons, or cycloalkyl of 5 to 10 carbons, or phenyl or lower alkylphenyl, R 8 is alkyl of 1 to 10 carbons, phenyl or lower alkylphenyl, R 9 is lower alkyl, R 10 is divalent alkyl radical of 2-5 carbons and R 11 is alkyl, cycloalkyl or alkenyl containing 1 to 5 carbons, have retinoic acid like activity.
Inventors
- 👤 Roshantha A. S. Chandraratna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:37
CPC Classifications
C; C07; C07D; C07D335/00; C07D335/04; C07D335/06; A; A61; A61P; A61P13/00; A61P13/02; A61P15/00; A61P17/00; A61P27/00; A61P27/02; A61P29/00; A61P35/00; A61P37/00; A61P37/02; A61P37/06; A61P9/00; A61P9/10; C07D215/00; C07D215/02; C07D215/12; C07D311/00; C07D311/02; C07D311/04; C07D311/58; C07D401/00; C07D401/02; C07D401/06; C07D405/00; C07D405/02; C07D405/06; C07D407/00; C07D407/02; C07D407/06; C07D409/00; C07D409/02; C07D409/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
267 words
A compound of the formula ##STR11## wherein R 1 and R 2 , independently are n-alkyl groups having 2 to 8 carbons, or cyclo or branch-chained alkyl groups of 3 to 8 carbons; R 3 is hydrogen or lower alkyl; X is S, O or; Y is or a heteroaryl group selected from a group consisting of pyridazinyl, pyrimidinyl, and pyrazinyl; A is (CH 2 ) n where n is 0-5, lower branched chain alkyl having 3 to 6 carbons, cycloalkyl having 3 to 6 carbons, alkenyl having 2 to 6 carbons and 1 or 2 double bonds, alkynyl having 2 to 6 carbons and 1 or 2 triple bonds; B is hydrogen, COOH or a pharmaceutically acceptable salt thereof, COOR 5 , CONR 6 R 7 , --CH 2 OH, CH 2 OR 8 , CH 2 OCOR 8 , CHO, CH(OR 9 ) 2 , CHOR 10 O, --COR 11 , CR 11 (OR 9 ) 2 , or CR 11 OR 10 O, where R 5 is an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, or R 5 is phenyl or lower alkylphenyl, R 6 and R 7 independently are hydrogen, an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, or phenyl or lower alkylphenyl, R 8 is alkyl of 1 to 10 carbons, phenyl or lower alkylphenyl, R 9 is lower alkyl, R 10 is divalent alkyl radical of 2-5 carbons and R 11 is an alkyl, cycloalkyl or alkenyl group containing 1 to 5 carbons.
Claim 2
Dependent Claim
267 words
A compound of the formula ##STR11## wherein R 1 and R 2 , independently are n-alkyl groups having 2 to 8 carbons, or cyclo or branch-chained alkyl groups of 3 to 8 carbons; R 3 is hydrogen or lower alkyl; X is S, O or; Y is or a heteroaryl group selected from a group consisting of pyridazinyl, pyrimidinyl, and pyrazinyl; A is (CH 2 ) n where n is 0-5, lower branched chain alkyl having 3 to 6 carbons, cycloalkyl having 3 to 6 carbons, alkenyl having 2 to 6 carbons and 1 or 2 double bonds, alkynyl having 2 to 6 carbons and 1 or 2 triple bonds; B is hydrogen, COOH or a pharmaceutically acceptable salt thereof, COOR 5 , CONR 6 R 7 , --CH 2 OH, CH 2 OR 8 , CH 2 OCOR 8 , CHO, CH(OR 9 ) 2 , CHOR 10 O, --COR 11 , CR 11 (OR 9 ) 2 , or CR 11 OR 10 O, where R 5 is an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, or R 5 is phenyl or lower alkylphenyl, R 6 and R 7 independently are hydrogen, an alkyl group of 1 to 10 carbons, or a cycloalkyl group of 5 to 10 carbons, or phenyl or lower alkylphenyl, R 8 is alkyl of 1 to 10 carbons, phenyl or lower alkylphenyl, R 9 is lower alkyl, R 10 is divalent alkyl radical of 2-5 carbons and R 11 is an alkyl, cycloalkyl or alkenyl group containing 1 to 5 carbons.
Claim 3
Dependent Claim
11 words
A compound in accordance with claim 1 where X is S.
Claim 4
Dependent Claim
11 words
A compound in accordance with claim 1 where X is O.
Claim 5
Dependent Claim
20 words
A compound in accordance with claim 1 where the R 1 and R 2 groups are identical with one another.
Claim 6
Dependent Claim
18 words
A compound in accordance with claim 1 where the R 1 and R 2 groups are both n-alkyl.
Claim 7
Dependent Claim
20 words
A compound in accordance with claim 1 where Y is selected from a group consisting of pyridazinyl, pyrimidinyl, and pyrazinyl.
Claim 8
Dependent Claim
9 words
A compound of claim 1 where Y is pyridazinyl.
Claim 9
Dependent Claim
9 words
A compound of claim 1 where Y is pyrimidinyl.
Claim 10
Dependent Claim
9 words
A compound of claim 1 where Y is pyrazinyl.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-05-11 | 2001-11-10 | 2002-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-05-11 | 2005-11-10 | 2006-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-05-11 | 2009-11-10 | 2010-05-12 | $7700.00 | Window Closed / Lapsed |