Anti-Hypercholesterolemic Compounds
This invention provides cholesterol absorption inhibitors of Formula I: and the pharmaceutically acceptable salts and esters thereof. The compounds are useful for lowering plasma cholesterol levels, particularly LDL cholesterol, and for treating and preventing atherosclerosis and atherosclerotic disease events.
1 . A compound of structural Formula I
and the pharmaceutically acceptable salts and esters thereof, wherein
Ar 1 is selected from the group consisting of aryl and R 4 -substituted aryl;
X, Y and Z are independently selected from the group consisting of —CH 2 —, —CH(C 1-6 alkyl)- and —C(C 1-6 alkyl) 2 -;
R is selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)O R 8 , —O(CO)NR 6 R 7 , a sugar residue, a disugar residue, a trisugar residue and a tetrasugar residue;
R 1 is selected from the group consisting of —H, —C 1-6 alkyl and aryl, or R and R 1 together are oxo;
R 2 is selected from the group consisting of —OR 6 , —O(CO)R 6 , —O(CO)OR 8 and —O(CO)NR 6 , R 7 ;
R 3 is selected from the group consisting of —H, —C 1-6 alkyl and aryl, or R 2 and R 3 together are oxo;
q and r are integers each independently selected from 0 and 1 provided that at least one of q and r is 1;
m, n and p are integers each independently selected from 0, 1, 2, 3 and 4; provided that the sum of m, n, p, q and r is 1, 2, 3, 4, 5 or 6; and provided that when p is 0 and r is 1, then the sum of m, q and n is 1, 2, 3, 4, or 5;
t is an integer selected from 0, 1 and 2;
R 4 is 1-5 substituents independently selected at each occurrence from the group consisting of: —OR 5 , —O(CO)R 5 , —O(CO)OR 8 , —O—C 1-5 alkyl-OR 5 , —O(CO)NR 5 R 6 , —NR 5 R 6 , —NR 5 (CO)R 6 , —NR 5 (CO)OR 8 , —NR 5 (CO)NR 6 R 7 , —NR 5 SO 2 R 8 , —COOR 5 , —CONR 5 R 6 , —COR 5 , —SO 2 NR 5 R 6 , —S(O) t R 8 , —O—C 1-10 alkyl-COOR 5 , —O—C 1-10 alkyl-CONR 5 R 6 and fluoro;
R 5 , R 6 and R 7 are independently selected at each occurrence from the group consisting of —H, —C 1-6 alkyl, aryl and aryl-substituted-C 1-6 alkyl;
R 8 is selected from the group consisting of —C 1-6 alkyl, aryl and aryl-substituted-C 1-6 alkyl;
R 9 is selected from the group consisting of —C≡C—(CH 2 ) y —NR 10 R 11 , —C═C—(CH 2 ) y —NR 10 R 11 and —(CH 2 ) w —NR 10 R 11 ;
w is an integer selected from 1, 2, 3, 4, 5, 6, 7 and 8; and
y is an integer selected from 1, 2, 3, 4, 5 and 6; and
R 10 is selected from the group consisting of —H and —C 1-3 alkyl;
R 11 is selected from the group consisting of —H, C 1-3 alkyl, —C(O)—C 1-3 alkyl, —C(O)—NR 10 R 10 , —SO 2 —C 1-3 alkyl, and —SO 2 -phenyl;
R 12 is selected from the group consisting of —C 1-5 alkyl mono- or poly-substituted with —H, —CH═CH—C 1-13 alkyl mono- or poly-substituted with —H, —C≡C—C 1-13 alkyl mono- or poly-substituted with —OH, and
v is an integer selected from 0 and 1; and
R 13 is selected from the group consisting of —H and —H.
2 . The compound of claim 1 wherein r is zero and m is zero.
3 . The compound of claim 2 wherein Ar 1 is selected from the group consisting of aryl and R 4 -substituted aryl wherein R 4 is 1-2 substituents independently selected at each occurrence from the group consisting of: —OR 5 , —O(CO)R 5 , —O(CO)OR 8 , —O—C 1-5 alkyl-OR 5 , —O(CO)NR 5 R 6 , —NR 5 R 6 , —NR 5 (CO)R 6 , —NR 5 (CO)OR 8 , —NR 5 (CO)NR 6 R 7 , —NR 5 SO 2 R 8 , —COOR 5 , —CONR 5 R 6 , —COR 5 , —SO 2 NR 5 R 6 , —S(O) t R 8 , —O—C 1-10 alkyl-COOR 5 , —O—C 1-10 alkyl-CONR 5 R 6 and fluoro.
4 . The compound of claim 3 wherein R is —OR 6 and R 1 is —H.
5 . The compound of claim 1 having structural Formula Ia
6 . The compound of claim 5 wherein Ar 1 is selected from the group consisting of phenyl and R 4 -substituted phenyl wherein R 4 is 1-2 substituents independently selected at each occurrence from the group consisting of: —OR 5 , —O(CO)R 5 , —O(CO)OR 8 , —O—C 1-5 alkyl-OR 5 , —O(CO)NR 5 R 6 , —NR 5 R 6 , —NR 5 (CO)R 6 , —NR 5 (CO)OR 8 , —NR 5 (CO)NR 6 R 7 , —NR 5 SO 2 R 8 , —COOR 5 , —CONR 5 R 6 , —COR 5 , —SO 2 NR 5 R 6 , —S(O) t R 8 , —O—C 1-10 alkyl-COOR 5 , —O—C 1-10 alkyl-CONR 5 R 6 and fluoro.
7 . The compound of claim 6 wherein R is —OR 6 and R 1 is —H.
8 . The compound of claim 7 wherein R 9 is —(CH 2 ) w —NR 10 R 11 .
9 . The compound of claim 1 having structural Formula Ib
10 . The compound of claim 9 wherein R 9 is —(CH 2 ) w —NR 10 R 11 .
11 . The compound of claim 1 selected from the group consisting of:
Example #
x
y
R 10
2
4
1
Me;
4
3
1
Me;
5
4
1
H;
6
1
1
H;
7
2
1
H;
8
3
4
H;
9
4
4
H;
10
1
4
H;
11
2
4
H;
12
2
2
H;
13
3
2
H;
14
4
2
H;
15
2
3
H;
16
3
3
H;
17
4
3
H;
18
1
2
H;
19
1
3
H;
and the pharmaceutically acceptable salts and esters thereof.
12 . The compound of claim 1 selected from the group consisting of:
Example #
y
R 10
1
1
H;
20
2
H;
21
3
H;
22
4
H;
and the pharmaceutically acceptable salts and esters thereof.
13 . The compound of claim 1 selected from the group consisting of:
Example #
y
R 13
R 10
3
1
OH
H;
23
2
OH
H;
24
3
OH
H;
25
4
OH
H;
26
2
OH
Me;
27
3
OH
Me;
28
4
OH
Me;
and the pharmaceutically acceptable salts and esters thereof.
14 . A method of reducing plasma LDL-cholesterol levels comprising administering a therapeutically effective amount of a compound of claim 1 to a patient in need of such treatment.
15 . The method of claim 14 comprising administering a therapeutically effective amount of a compound of claim 1 in combination with a therapeutically effective amount of a cholesterol biosynthesis inhibitor to a patient in need of such treatment.
16 . A method of treating hypercholesterolemia comprising administering a therapeutically effective amount of a compound of claim 1 to a patient in need of such treatment.
17 . A method of treating or reducing the risk for developing atherosclerosis comprising administering a therapeutically effective amount of a compound of claim 1 to a patient in need of such treatment.
18 . A method of reducing the risk for having an atherosclerotic disease event comprising administering a prophylactically effective amount of a compound of claim 1 to a patient in at risk for such an event.
19 . A pharmaceutical composition comprising a compound of claim 1 and a pharmaceutically acceptable carrier.
20 . The pharmaceutical composition of claim 19 additionally comprising a cholesterol biosynthesis inhibitor.