THERAPEUTIC AGENTS USEFUL FOR TREATING PAIN
The present invention discloses a compound of formula: where Ar 1 , Ar 2 , X, Z 1 , Z 2 , R 3 , and m are as disclosed herein or a pharmaceutically acceptable salt thereof (a “Pyridylene Compound”); compositions comprising an effective amount of a Pyridylene Compound; and methods for treating or preventing pain or other conditions in an animal comprising administering to an animal in need thereof an effective amount of a Pyridylene Compound.
1 . A compound of formula:
or a pharmaceutically acceptable salt thereof, wherein:
Ar 1 is
Ar 2 is
X is O or S;
R 1 is -halo, —CH 3 , —C(halo) 3 , —CH(halo) 2 , or —CH 2 (halo);
each R 2 is independently:
(a) -halo, —OH, —NH 2 , —CN, or —NO 2 ;
(b) —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups; or
(c) -phenyl, -naphthyl, —(C 14 )aryl or -(5- to 10-membered)heteroaryl, each of which is unsubstituted or substituted with one or more R 6 groups;
each R 3 is independently:
(a) -halo, —CN, —OH, —NO 2 , or —NH 2 ;
(b) —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups; or
(c) -phenyl, -naphthyl, —(C 14 )aryl or -(5- to 10-membered)heteroaryl, each of which is unsubstituted or substituted with one or more R 6 groups;
each R 5 is independently —CN, —OH, —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR 7 , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR S , —S(O)R 7 , or —S(O) 2 R 7 ;
each R 6 is independently —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, -(3- to 5-membered)heterocycle, —C(halo) 3 , —CH(halo) 2 , —CH 2 (halo), —CN, —OH, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR S , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR S , —S(O)R 7 , or —S(O) 2 R 7 ;
each R 7 is independently —H, —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, -(3- to 5-membered)heterocycle, —C(halo) 3 , —CH(halo) 2 , or —CH 2 (halo);
each R 8 is independently —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, —C(halo) 3 , —CH(halo) 2 , —CH 2 (halo), —CN, —OH, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR 7 , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR S , —S(O)R 7 , or —S(O) 2 R 7 ;
each R 11 is independently —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, —C(halo) 3 , —CH(halo) 2 , —CH 2 (halo), —CN, —OH, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR S , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR S , —S(O)R B , or —S(O) 2 R 7 ;
each halo is independently —F, —Cl, —Br, or —I;
m is an integer ranging from 0 to 3;
o is an integer ranging from 0 to 4;
p is an integer ranging from 0 to 2;
q is an integer ranging from 0 to 6;
r is an integer ranging from 0 to 5; and
s is an integer ranging from 0 to 4.
2 . The compound of claim 1 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
3 . The compound of claim 2 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
4 . The compound of claim 1 , wherein:
Ar 2 is
X is O; and
R 1 is —F, —Cl, —CH 3 or —CF 3 .
5 . The compound of claim 4 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
6 . The compound of claim 5 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
7 . The compound of claim 4 , wherein:
m is 0;
r is 1; and
R 8 is —(C 1 -C 6 )alkyl, -halo, —OCF 3 , or —CF 3 .
8 . The compound of claim 7 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
9 . The compound of claim 8 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
10 . The compound of claim 7 , wherein the —(C 1 -C 6 )alkyl is a tert-butyl group, optionally substituted at the para-position of Ar 2 .
11 . The compound of claim 1 , wherein:
Ar 2 is
X is O;
R 1 is —CH 3 , —CF 3 , —Cl, —Br, —I, or —F;
m is 0;
(R 8 ) a is —H; and
(R 8 ) b is —H, —CH 3 , —OCH 3 , —CF 3 , —OCF 3 , —OCH 2 CH 3 , iso-propyl, tert-butyl, —Br, —I, or —F.
12 . The compound of claim 11 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
13 . The compound of claim 12 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
14 . The compound of claim 11 , wherein R 1 is —CH 3 , —CF 3 , or —Cl and (R 8 ) b is —Cl, —F, —CF 3 , —OCF 3 or tert-butyl.
15 . The compound of claim 1 , wherein:
Ar 2 is
X is O; and
R 1 is —F, —Cl, —CH 3 or —CF 3 .
16 . The compound of claim 15 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
17 . The compound of claim 16 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
18 . The compound of claim 15 , wherein:
m is 0;
o is 1; and
R 8 is —(C 1 -C 6 )alkyl or -halo.
19 . The compound of claim 18 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 1-8 —C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
20 . The compound of claim 19 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
21 . A composition comprising the compound or a pharmaceutically acceptable salt of the compound of claim 1 and a pharmaceutically acceptable carrier or excipient.
22 . An in vitro method for inhibiting VR1 function in a cell comprising:
contacting a cell expressing VR1 in vitro with a compound of claim 1 , or a pharmaceutically acceptable salt thereof, in an amount sufficient to reduce calcium ion mobilization into said cell treated with an activator of VR1 as compared to said cell expressing VR1 in vitro treated with an activator of VR1 and not contacted with said compound.
23 . The method of claim 22 , wherein said calcium ion mobilization is reduced by 50% or more.
24 . A method for treating pain in an animal, comprising administering to an animal in need thereof an effective amount of the compound or a pharmaceutically acceptable salt of the compound of claim 1 .
25 . A compound of formula:
or a pharmaceutically acceptable salt thereof, wherein:
Ar 1 is
Ar 2 is
X is O or S;
R 1 is -halo, —CH 3 , —C(halo) 3 , —CH(halo) 2 , or —CH 2 (halo);
each R 2 is independently:
(a) -halo, —OH, —NH 2 , —CN, or —NO 2 ;
(b) —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups; or
(c) -phenyl, -naphthyl, —(C 14 )aryl or -(5- to 10-membered)heteroaryl, each of which is unsubstituted or substituted with one or more R 6 groups;
each R 3 is independently:
(a) -halo, —CN, —OH, —NO 2 , or —NH 2 ;
(b) —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups; or
(c) -phenyl, -naphthyl, —(C 14 )aryl or -(5- to 10-membered)heteroaryl, each of which is unsubstituted or substituted with one or more R 6 groups;
each R 5 is independently —CN, —OH, —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR 7 , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR 7 , —S(O)R T , or —S(O) 2 R 7 ;
each R 6 is independently —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, -(3- to 5-membered)heterocycle, —C(halo) 3 , —CH(halo) 2 , —CH 2 (halo), —CN, —OH, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR 7 , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR 7 , —S(O)R B , or —S(O) 2 R 7 ;
each R 7 is independently —H, —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, -(3- to 5-membered)heterocycle, —C(halo) 3 , —CH(halo) 2 , or —CH 2 (halo);
each R 8 is independently —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, —C(halo) 3 , —CH(halo) 2 , —CH 2 (halo), —CN, —OH, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR 7 , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR 7 , —S(O)R B , or —S(O) 2 R 7 ;
each R 11 is independently —(C 1 -C 6 )alkyl, —(C 2 -C 6 )alkenyl, —(C 2 -C 6 )alkynyl, —(C 3 -C 8 )cycloalkyl, —(C 5 -C 8 )cycloalkenyl, -phenyl, —C(halo) 3 , —CH(halo) 2 , —CH 2 (halo), —CN, —OH, -halo, —N 3 , —NO 2 , —N(R 7 ) 2 , —CH═NR 7 , —NR 7 OH, —OR 7 , —COR 7 , —C(O)OR 7 , —OC(O)R 7 , —OC(O)OR 7 , —SR 7 , —S(O)R 7 , or —S(O) 2 R 7 ;
each halo is independently —F, —Cl, —Br, or —I;
m is an integer ranging from 0 to 3;
o is an integer ranging from 0 to 4;
p is an integer ranging from 0 to 2;
q is an integer ranging from 0 to 6;
r is an integer ranging from 0 to 5; and
s is an integer ranging from 0 to 4.
26 . The compound of claim 25 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
27 . The compound of claim 26 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
28 . The compound of claim 25 , wherein:
Ar 2 is
X is O; and
R 1 is —F, —CH 3 or —CF 3 .
29 . The compound of claim 28 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
30 . The compound of claim 29 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
31 . The compound of claim 28 , wherein:
m is 0;
r is 1; and
R 8 is —(C 1 -C 6 )alkyl, -halo, —OCF 3 , or —CF 3 .
32 . The compound of claim 31 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
33 . The compound of claim 32 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
34 . The compound of claim 31 , wherein the —(C 1 -C 6 )alkyl is a tert-butyl group, optionally substituted at the para-position of Ar 2 .
35 . The compound of claim 25 , wherein:
Ar 2 is
X is 0;
R 1 is —CH 3 , —CF 3 , —Cl, —Br, —I, or —F;
m is 0;
(R 8 ) a is —H; and
(R 8 ) b is —H, —CH 3 , —OCH 3 , —CF 3 , —OCF 3 , —OCH 2 CH 3 , iso-propyl, tert-butyl, —Cl, —Br, —I, or —F.
36 . The compound of claim 35 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
37 . The compound of claim 36 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
38 . The compound of claim 35 , wherein R 1 is —CH 3 , —CF 3 , or —Cl and (R 8 ) b is —Cl, —F, —CF 3 , —OCF 3 or tert-butyl.
39 . The compound of claim 25 , wherein:
Ar 2 is
X is O; and
R 1 is —F, —Cl, —CH 3 or —CF 3 .
40 . The compound of claim 39 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C 8 -C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
41 . The compound of claim 40 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
42 . The compound of claim 39 , wherein:
m is 0;
o is 1; and
R 8 is —(C 1 -C 6 )alkyl or -halo.
43 . The compound of claim 42 , wherein p is 1 and R 2 is —(C 1 -C 10 )alkyl, —(C 2 -C 10 )alkenyl, —(C 2 -C 10 )alkynyl, —(C 3 -C 10 )cycloalkyl, —(C 8 -C 14 )bicycloalkyl, —(C 8 -C 14 )tricycloalkyl, —(C 5 -C 10 )cycloalkenyl, —(C 8 -C 14 )bicycloalkenyl, —(C r C 14 )tricycloalkenyl, -(3- to 7-membered)heterocycle, or -(7- to 10-membered)bicycloheterocycle, each of which is unsubstituted or substituted with one or more R 5 groups.
44 . The compound of claim 43 , wherein R 2 is —(C 1 -C 10 )alkyl which is substituted with two R 5 groups.
45 . A composition comprising the compound or a pharmaceutically acceptable salt of the compound of claim 25 and a pharmaceutically acceptable carrier or excipient.
46 . An in vitro method for inhibiting VR1 function in a cell comprising:
contacting a cell expressing VR1 in vitro with a compound of claim 25 , or a pharmaceutically acceptable salt thereof, in an amount sufficient to reduce calcium ion mobilization into said cell treated with an activator of VR1 as compared to said cell expressing VR1 in vitro treated with an activator of VR1 and not contacted with said compound.
47 . The method of claim 46 , wherein said calcium ion mobilization is reduced by 50% or more.
48 . A method for treating pain in an animal, comprising administering to an animal in need thereof an effective amount of the compound or a pharmaceutically acceptable salt of the compound of claim 25 .