You’re using a public version of DrugPatentWatch with 5 free searches available | Register to unlock more free searches. CREATE FREE ACCOUNT

Last Updated: April 19, 2024

Claims for Patent: 5,565,473


✉ Email this page to a colleague

« Back to Dashboard


Summary for Patent: 5,565,473
Title: Unsaturated hydroxyalkylquinoline acids as leukotriene antagonists
Abstract:Compounds having the formula I: ##STR1## are leukotriene antagonists and inhibitors of leukotriene biosynthesis. These compounds are useful as anti-asthmatic, anti-allergic, anti-inflammatory, and cytoprotective agents. They are also useful in treating angina, cerebral spasm, glomerular nephritis, hepatitis, endotoxemia, uveitis, and allograft rejection.
Inventor(s): Belley; Michel L. (Pierrefonds, CA), Leger; Serge (Dollard des Ormeaux, CA), Labelle; Marc (Ville d'Ile Perrot, CA), Roy; Patrick (Pierrefonds, CA), Xiang; Yi B. (Pierrefonds, CA), Guay; Daniel (Montreal, CA)
Assignee: Merck Frosst Canada, Inc. (Kirkland, CA)
Application Number:08/392,592
Patent Claims: 1. A compound of the formula: ##STR15## wherein: R.sup.1 is H, halogen, --CF.sub.3, --CN, --NO.sub.2, or N.sub.3 ;

R.sup.2 is lower alkyl, lower alkenyl, lower alkynyl, --CF.sub.3, --CH.sub.2 F, --CHF.sub.2, CH.sub.2 CF.sub.3, substituted or unsubstituted phenyl, substituted or unsubstituted benzyl, substituted or unsubstituted 2-phenethyl, or two R.sup.2 groups joined to the same carbon to form a carbocyclic ring of up to 8 members;

R.sup.3 is H or R.sup.2 ;

R.sup.4 is halogen, --NO.sub.2, --CN, --OR.sup.3, --SR.sup.3, NR.sup.3 R.sup.3, NR.sup.3 C(O)R.sup.7 or R.sup.3 ;

R.sup.5 is H, halogen, --NO.sub.2, --N.sub.3, --CN, --SR.sup.2, --NR.sup.3 R.sup.3, --OR.sup.3, lower alkyl, or --C(O)R.sup.3 ;

R.sup.6 is --(CH.sub.2).sub.s --C(R.sup.7 R.sup.7)--(CH.sub.2).sub.S --R.sup.8 or --CH.sub.2 C(O)NR.sup.12 R.sup.12 ;

R.sup.7 is H or C.sub.1 -C.sub.4 alkyl;

R.sup.8 is the radical W--R.sup.9 ;

R.sup.9 contains up to 20 carbon atoms and is (1) an alkyl group or (2) an alkylcarbonyl group of an organic acyclic or monocyclic carboxylic acid;

R.sup.11 is lower alkyl, --C(O)R.sup.14, unsubstituted phenyl, or unsubstituted benzyl;

R.sup.12 is H, or R.sup.11 ;

R.sup.13 is lower alkyl, lower alkenyl, lower alkynyl, --CF.sub.3 or substituted or unsubstituted phenyl, benzyl, or 2-phenethyl;

R.sup.14 is H or R.sup.13 ;

R.sup.16 is H, C.sub.1 -C.sub.4 alkyl, or OH;

R.sup.17 is lower alkyl, lower alkenyl, lower alkynyl, or substituted or unsubstituted phenyl, benzyl, or 2-phenethyl;

R.sup.18 is lower alkyl, lower alkenyl, lower alkynyl, --CF.sub.3 or substituted or unsubstituted phenyl, benzyl, or 2-phenethyl;

R.sup.19 is lower alkyl, lower alkenyl, lower alkynyl, --CF.sub.3 or substituted or unsubstituted phenyl, benzyl, or 2-phenethyl;

R.sup.21 is H or R.sup.17 ;

R.sup.22 is R.sup.4, CHR.sup.7 OR.sup.3, or CHR.sup.7 SR.sup.2 ;

m is 0-8;

m' is 2 or 3;

n and n' are independently 0 or 1,

p and p' are independently 0-8;

m+n+p is 1-10 when r is 1 and X.sup.2 is O, S, S(O), or S(O).sub.2 ;

m+n+p is 0-10 when r is 1 and X.sup.2 is CR.sup.3 R.sup.16 ;

m+n+p is 0-10 when r is 0;

m'+n'+p' is 2-10;

r and r' are independently 0 or 1;

s is 0-3;

Q.sup.1 is --C(O)OR.sup.3, 1H (or 2H)-tetrazol-5-yl, --C(O)OR.sup.6, --C(O)NHS(O).sub.2 R.sup.13, --CN, --C(O)NR.sup.12 R.sup.12, NR.sup.21 S(O).sub.2 R.sup.13, --NR.sup.12 C(O)NR.sup.12 R.sup.12, --NR.sup.21 C(O)R.sup.18, --OC(O)NR.sup.12 R.sup.12, --C(O)R.sup.19, --S(O)R.sup.18, --S(O).sub.2 R.sup.18, --S(O).sub.2 NR.sup.12 R.sup.12, --NO.sub.2, --NR.sup.21 C(O)OR.sup.17, --C(NR.sup.12 R.sup.12).dbd.NR.sup.12, --C(R.sup.13).dbd.NOH;

Q.sup.2 is OH;

W is O, S, or NR.sup.3 ;

X.sup.2 and X.sup.3 are independently O, S, S(O), S(O).sub.2, or CR.sup.3 R.sup.16 ; with the proviso that at least one is S or SO.sub.2 ;

Y is --CR.sup.3 .dbd.CR.sup.3 --

Z.sup.1 and Z.sup.2 are independently --HET(--R.sup.3 --R.sup.5)--;

HET is the diradical of a benzene, a pyridine, a furan, or a thiophene;

and the pharmaceutically acceptable salts thereof.

2. A compound of claim 1 wherein:

R.sup.1 is H, halogen, CF.sub.3 or --CN;

R.sup.2 is C.sub.1 -C.sub.4 alkyl, --CF.sub.3, --CHF.sub.2, --CH.sub.2 F, or two R.sup.2 groups joined to the same carbon to form a ring of up to 6 carbons;

R.sup.3 is H or R.sup.2 ;

R.sup.4 is --OR.sup.3, --SR.sup.3, NR.sup.3 R.sup.3, NHC(O)CH.sub.3, or R.sup.3 ;

R.sup.5 is H or halogen;

R.sup.6 is --(CH.sub.2).sub.S --C(R.sup.7 R.sup.7)--(CH.sub.2).sub.S --R.sup.8 or --CH.sub.2 C(O)NR.sup.12 R.sup.12 ;

R.sup.7 is H or C.sub.1 -C.sub.4 alkyl;

R.sup.8 is the radical W--R.sup.9 ;

R.sup.9 contains up to 20 carbon atoms and is (1) an alkyl group or (2) an alkylcarbonyl group;

R.sup.11 is lower alkyl, --C(O)R.sup.14, unsubstituted phenyl, or unsubstituted benzyl;

R.sup.12 is H, or R.sup.11 ;

R.sup.13 is lower alkyl, --CF.sub.3, or substituted or unsubstituted phenyl, benzyl, or 2-phenethyl;

R.sup.14 is H or R.sup.13 ;

R.sup.16 is H, C.sub.1 -C.sub.4 alkyl, or OH;

R.sup.22 is R.sup.4, --CH.sub.2 OR.sup.3, or --CH.sub.2 SR.sup.2 ;

m is 0-4;

m' is 2 or 3;

n and n' are independently 0 or 1;

p and p' are independently 0-4;

m+n+p is 1-9 when r is 1 and X.sup.2 is O or S;

m+n+p is 0-9 when r is 1 and X.sup.2 is CR.sup.3 R.sup.16 ;

m+n+p is 0-9 when r is 0;

m'+n'+p' is 2-9;

r and r' are independently 0 or 1;

s is 0-3;

Q.sup.1 is --C(O)OR.sup.3, 1H (or 2H)-tetrazol-5-yl, --C(O)OR.sup.6, --C(O)NHS(O).sub.2 R.sup.13, --C(O)NR.sup.12 R.sup.12, --NHS(O).sub.2 R.sup.13 ;

Q.sup.2 is OH;

W is O, S, or NH;

X.sup.2 and X.sup.3 are independently O, S, or CR.sup.3 R.sup.16 ; with the proviso that at least one is S;

Y is (E)--CH.dbd.CH--;

Z.sup.1 and Z.sup.2 are independently --HET(--R.sup.3 --R.sup.5)--;

HET is the diradical of a benzene, pyridine, furan, or thiophene;

and the pharmaceutically acceptable salts thereof.

3. A compound of claim 1 wherein the R.sup.22 .alpha. to Q.sup.1 is lower alkyl, CF.sub.3 or substituted or unsubstituted phenyl.

4. A compound of claim 1 of the Formula Ia: ##STR16## wherein: R.sup.1 is H, halogen, CF.sub.3, or CN;

R.sup.22 is R.sup.3, --CH.sub.2 OR.sup.3, or --CH.sub.2 SR.sup.2 ;

Q.sup.1 is --C(O)OH, 1H (or 2H)-tetrazol-5-yl, --C(O)NHS(O).sub.2 R.sup.13, --C(O)NR.sup.12 R.sup.12, or --NHS(O).sub.2 R.sup.13 ;

m' is 2 or 3;

p' is 0 or 1;

m+p is 1-5;

and the pharmaceutically acceptable salts thereof.

5. A compound of claim 4 wherein the carbon .alpha. to Q.sup.1 is lower alkyl-substituted.

6. A compound of claim 1 of the Formula Ib: ##STR17## wherein: R.sup.1 is H, halogen, CF.sub.3, or CN;

R.sup.22 is R.sup.3, --CH.sub.2 OR.sup.3, or --CH.sub.2 SR.sup.2 ;

Q.sup.1 is --C(O)OH, 1H (or 2H)-tetrazol-5-yl, --C(O)NHS(O).sub.2.sup.R.sup.13, --C(O)NR.sup.12 R.sup.12, or --NHS(O).sub.2 R.sup.13 ;

m is 0, 2 or 3;

p is 0 or 1;

p' is 2-4;

m+p is 0-4;

and the pharmaceutically acceptable salts thereof.

7. A compound of claim 1 of Formula I' ##STR18## wherein the substituents are as follows:

8. A pharmaceutical composition comprising a therapeutically effective amount of a compound of claim 1 and a pharmaceutically acceptable carrier.

9. The pharmaceutical composition of claim 8 additionally comprising an effective amount of a second active ingredient selected from the group consisting of non-steroidal anti-inflammatory drugs; peripheral analgesic agents; cyclooxygenase inhibitors; leukotriene antagonists; leukotriene bisynthesis inhibitors; H.sub.2 -receptor antagonists; antihistaminic agents; prostaglandin antagonists; thromboxane antagonists; thromboxane synthetase inhibitors; and ACE antagonists.

10. A pharmaceutical composition of claim 9, wherein the second active ingredient is a non-steroidal anti-inflammatory drug.

11. A pharmaceutical composition of claim 10, wherein the weight ratio of said compound of claim 1 to said second active ingredient ranges from about 1000:1 to 1:1000.

12. A method of preventing the synthesis, the action, or the release of SRS-A or leukotrienes in a mammal which comprises administering to said mammal an effective amount of a compound of claim 1.

13. The method of claim 12 wherein the mammal is man.

14. A method of treating asthma in a mammal comprising administering to a mammal in need of such treatment a therapeutically effective amount of a compound of claim 1.

15. A method of treating inflammatory deseases of the eye in a mammal which comprises administering to a mammal in need of such treatment a therapeutically effective amount of a compound of claim 1.

16. The method of claim 15 wherein the mammal is man.

17. A compound of Formula I' ##STR19## wherein the substituents are as follows:

18. 1-(((1(R)-(3-(2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(2-hydroxy- 2 -propyl)phenyl)propyl)thio)methyl) cyclopropaneacetic acid or a pharmaceutically acceptable salt thereof.

19. Sodium 1-(((1(R)-(3-(2-(7-chloro-2-quinolinyl)ethenyl)phenyl)-3-(2-(2-hydroxy-2-p ropyl)phenyl)propyl)thio)methyl) cyclopropaneacetate.

20. A pharmaceutical composition comprising a pharmaceutical carrier and dispersed therein a therapeutically effective amount of a compuond of claim 18 and a pharmaceutically acceptable carrier.

21. A method of preventing the action of leukotrienes in a mammal which comprises administering to said mammal an effective amount of a compound of claim 18.

22. A method of treating asthma in a mammal comprising administering to a mammal in need of such treatment a therapeutically effective mount of a compound of claim 18.

23. A method of treating inflammatory diseases in the eye in a mammal which comprises administering to a mammal in need of such treatment a therapeutically effective mount of a compound of claim 18.

Make Better Decisions: Try a trial or see plans & pricing

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.