IP Library Granted Patent US 7,265,108
Granted Patent B2
US 7,265,108 · App. 11/173,099 · Granted Sep 4, 2007

Nitrogen containing heterocyclic compounds and medicines containing the same

Assignee: Eisai Co., Ltd.
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Quick Facts
Patent No.
US 7,265,108
App. No.
11/173,099
Granted
Sep 4, 2007
Kind
B2
Abstract

Compounds represented by the following general formula: [wherein X 1 , X 2 , X 3 and X 4 each independently represent a single bond, C 1-6 alkylene, etc.; A 2 represents optionally substituted phenyl, etc.; A 1 represents an optionally substituted 5- to 7-membered heterocyclic group containing —C(=Q 1 )- (wherein Q 1 represents oxygen, sulfur or ═N—R 11 (wherein R 11 represents hydrogen or C 1-6 alkyl)) and nitrogen, etc.; and Z 1 represents piperidin-diyl, etc.], salts thereof and hydrates of the foregoing.

Claims (58)

1. A compound represented by the following formula:

a salt or hydrate thereof, wherein:

X 2 represents methylene, 1,2-ethylene or 1,1-ethylene;

—X 3 —X 4 — represents methylene, oxygen, a single bond or a group represented by the formula:

wherein X 40 is (1) methylene having between 0 and 2 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, (2) oxygen, (3) —CO—, (4) —S—, (5) —S(O)— or (6) —S(O) 2 —;

X 41 is methylene having 0, 1, or 2 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano;

R 34 represents C 1-6 alkyl;

R 41 represents (1) phenyl having between 0 and 2 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, (2) phenyl-C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano or (3) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkoxy, and cyano; and

R 42 represents (1) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkoxy, and cyano or (2) hydrogen;

Z 1 represents azetidine-diyl, pyrrolidine-diyl, azepane-diyl, piperazine-diyl, or a group represented by the formula:

wherein Z 1 is substituted with 0-3 groups selected from the group consisting of (1) hydrogen, (2) halogen, (3) cyano, (4) hydroxyl, (5) C 2-7 alkoxycarbonyl, (6) C 1-6 alkyl having 0-4 substituents selected from the group consisting of hydroxyl, C 1-6 alkoxy and halogen, (7) C 1-6 alkoxy having 0-4 substituents selected from the group consisting of hydroxyl, C 1-6 alkoxy and halogen, (8) 2-methylphenyloxymethyl and (9) 2-fluorophenyloxymethyl;

A 2 represents phenyl, 1-naphthyl, 2-naphthyl, an aromatic ring having 5 to 10 atoms in the ring and containing one or more heteroatoms among the atoms of the ring, or a 9- to 11-membered benzene fused ring group,

wherein A 2 is substituted with 0-3 groups selected from the group consisting of (1) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, (2) C 1-6 alkoxy having 0-3 substituents selected from the group consisting of halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, (3) halogen, (4) C 3-8 cycloalkyl, (5) C 2-7 alkoxycarbonyl, (6) C 2-7 acyl, (7) C 1-6 alkylthio, (8) C 1-6 alkylsulfinyl, (9) C 1-6 alkylsulfonyl, (10) cyano, (11) nitro, (12) phenyl, (13) pyridyl, (14) ethylenedioxy, (15) methylenedioxy, (16) a group represented by the formula:

wherein t1 and t2 each independently represents zero or an integer from 1 to 3, and R 80 represents hydrogen, C 1-6 alkyl or C 3-8 cycloalkyl,

and (17) a group represented by the formula:

wherein R 73 and R 74 each independently represents hydrogen, C 1-6 alkyl, C 2-7 acyl, C 1-6 alkylsulfonyl, —CO—NR 75 R 76 or —CS—NR 75 R 76 , and R 75 and R 76 each independently represents hydrogen or C 1-6 alkyl; and

wherein A 1 represents a group represented by the formula:

wherein R 21 represents hydrogen or C 1-6 alkyl, and R 61a and R 62a each independently represents hydrogen, halogen, C 1-6 alkoxy, C 1-6 alkyl or cyano.

2. A compound represented by the following formula:

a salt or hydrate thereof, wherein:

X 2 represents methylene, 1,2-ethylene or 1,1-ethylene;

—X 3 —X 4 — represents methylene, oxygen, a single bond or a group represented by the formula:

wherein X 40 is (1) methylene having between 0 and 2 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, (2) oxygen, (3) —CO—, (4) —S—, (5) —S(O)— or (6) —S(O) 2 —;

X 41 is methylene having 0, 1, or 2 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano;

R 34 represents C 1-6 alkyl;

R 41 represents (1) phenyl having between 0 and 2 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, (2) phenyl-C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano or (3) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkoxy, and cyano; and

R 42 represents (1) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, hydroxyl, C 1-6 alkoxy, and cyano or (2) hydrogen;

Z 1 represents azetidine-diyl, pyrrolidine-diyl, azepane-diyl, piperazine-diyl, or a group represented by the formula:

wherein Z 1 is substituted with 0-3 groups selected from the group consisting of (1) hydrogen, (2) halogen, (3) cyano, (4) hydroxyl, (5) C 2-7 alkoxycarbonyl, (6) C 1-6 alkyl having 0-4 substituents selected from the group consisting of hydroxyl, C 1-6 alkoxy and halogen, (7) C 1-6 alkoxy having 0-4 substituents selected from the group consisting of hydroxyl, C 1-6 alkoxy and halogen, (8) 2-methylphenyloxymethyl and (9) 2-fluorophenyloxymethyl;

A 2 represents a monovalent group derived by removing a hydrogen atom from a compound represented by the formula:

wherein A 2 is substituted with 0-3 groups selected from the group consisting of (1) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, (2) C 1-6 alkoxy having 0-3 substituents selected from the group consisting of halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, (3) halogen, (4) C 3-8 cycloalkyl, (5) C 2-7 alkoxycarbonyl, (6) C 2-7 acyl, (7) C 1-6 alkylthio, (8) C 1-6 alkylsulfinyl, (9) C 1-6 alkylsulfonyl, (10) cyano, (11) nitro, (12) phenyl, (13) pyridyl, (14) ethylenedioxy, (15) methylenedioxy, (16) a group represented by the formula:

wherein t1 and t2 each independently represents zero or an integer from 1 to 3, and R 80 represents hydrogen, C 1-6 alkyl or C 3-8 cycloalkyl,

and (17) a group represented by the formula:

wherein R 73 and R 74 each independently represents hydrogen, C 1-6 alkyl, C 2-7 acyl, C 1-6 alkylsulfonyl, —CO—NR 75 R 76 or —CS—NR 75 R 76 , and R 75 and R 76 each independently represents hydrogen or C 1-6 alkyl; and

A 1 represents a group represented by the formula:

wherein R 21 represents hydrogen or C 1-6 alkyl, and R 61a and R 62a each independently represents hydrogen, halogen, C 1-6 alkoxy, C 1-6 alkyl or cyano.

3. The compound according to claim 1 , wherein —X 3 —X 4 — is a group represented by the formula:

wherein X 42 represents (1) methylene having 0 or 1 substituent selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, (2) oxygen, (3) —CO—, (4) —S—, (5) —S(O)—, (6) —S(O) 2 — or (7) —CF 2 —; and

X 43 represents either methylene having 0 or 1 substituent selected from the group consisting of halogen, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, or —CF 2 —.

4. The compound according to claim 1 , wherein —X 3 —X 4 — is a group represented by the formula:

wherein X 45 represents either methylene having 0 or 1 substituent selected from the group consisting of fluorine, hydroxyl, C 1-6 alkyl, C 1-6 alkoxy, and cyano, or —CF 2 —.

5. The compound according to claim 1 , wherein —X 3 —X 4 — is

6. The compound according to claim 1 , wherein A 2 is a monovalent group derived by removing a hydrogen atom from a compound represented by the formula:

and wherein A 2 is substituted with 0-3 groups selected from (1) C 1-6 alkyl having 0-3 substituents selected from the group consisting of halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, (2) C 1-6 alkoxy having 0-3 substituents selected from the group consisting of halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, (3) halogen, (4) C 3-8 cycloalkyl, (5) C 2-7 alkoxycarbonyl, (6) C 2-7 acyl, (7) C 1-6 alkylthio, (8) C 1-6 alkylsulfinyl, (9) C 1-6 alkylsulfonyl, (10) cyano, (11) nitro, (12) phenyl, (13) pyridyl, (14) ethylenedioxy, (15) methylenedioxy, (16) a group represented by the formula:

wherein t1 and t2 each independently represents zero or an integer from 1 to 3, and R 80 represents hydrogen, C 1-6 alkyl or C 3-8 cycloalkyl,

and (17) a group represented by the formula:

wherein R 73 and R 74 each independently represents hydrogen, C 1-6 alkyl, C 2-7 acyl, C 1-6 alkylsulfonyl, —CO—NR 75 R 76 or —CS—NR 75 R 76 , and R 75 and R 76 each independently represents hydrogen or C 1-6 alkyl.

7. A compound according to claim 1 , wherein A 2 is substituted with 0-3 groups selected from the group consisting of halogen, C 1-6 alkyl having 0-3 substituents selected from halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, C 1-6 alkoxy having 0-3 substituents selected from halogen, C 1-6 alkoxy, cyano, hydroxyl and C 3-8 cycloalkyl, C 3-8 cycloalkyl, C 1-6 alkylthio and a group represented by the formula:

wherein t1 and t2 each independently represents zero or an integer from 1 to 3, and R 80 represents hydrogen, C 1-6 alkyl or C 3-8 cycloalkyl.

8. The compound according to claim 1 , wherein A is a group represented by the formula

wherein R 81 represents (1) C 1-6 alkyl having 1-3 substituents selected from the group consisting of halogen, C 3-8 cycloalkyl and C 1-6 alkoxy, (2) C 1-6 alkoxy having 0-3 substituents selected from the group consisting of halogen, C 3-8 cycloalkyl and C 1-6 alkoxy, (3) hydrogen, (4) C 1-6 alkylthio having 0-3 substituents selected from the group consisting of halogen, C 3-8 cycloalkyl and C 1-6 alkoxy or (5) halogen.

9. The compound according to claim 1 , wherein A 2 is a group represented by the formula:

10. The compound according to claim 1 , wherein R 21 is hydrogen.

11. The compound according to claim 1 , wherein R 61a and R 62a are both hydrogen.

12. A method for treating neuralgia, comprising administering to a patient a pharmacologically effective dose of a compound according to claim 1 .

13. A method for treating diabetic neuralgia, HIV neuralgia, postherpetic neuralgia, trigeminal neuralgia, stump pain, post spinal injury pain, thalamic pain or post-stroke pain, comprising administering to a patient a pharmacologically effective dose of a compound according to claim 1 .

14. A method for treating low back pain, inflammatory pain, arthralgia, postoperative pain or cancer pain comprising administering to a patient a pharmacologically effective dose of a compound according to claim 1 .

15. A pharmaceutical composition comprising a compound of claim 1 , and a pharmaceutically acceptable carrier.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 29, 2006
From: EISAI CO., LTD.
To: EISAI R&D MANAGEMENT CO., LTD.
Reel/Frame 018692/0966 →
Priority Claims (1)
JP 2002-069529 · Mar 14, 2002 · national
Continuity (2)
Continuation 1038818500 · Mar 12, 2003
Related Publication 20050245527A1 · Nov 3, 2005