Antidiabetic tricyclic compounds
View Patent ↗Novel compounds of the structural formula (I), and the pharmaceutically acceptable salts thereof, are agonists of G-protein coupled receptor 40 (GPR40) and may be useful in the treatment, prevention and suppression of diseases mediated by the G-protein-coupled receptor 40. The compounds of the present invention may be useful in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.
1. A compound of structural formula I:
wherein
n is 1;
X is oxygen;
T is CH;
U is N;
V is CH;
A is selected from the group consisting of: phenyl and pyridine, wherein A is unsubstituted or substituted with one to five substituents selected from R a ;
B is selected from the group consisting of: phenyl, pyridine, pyrimidine, thiazole, benzimidazole, benzthiazole, benzoxazole, and benzisoxazole, wherein B is unsubstituted or substituted with one to five substituents selected from R b ;
R 1 , R 2 , R 5 and R 6 are hydrogen;
R 3 and R 4 are selected from the group consisting of: hydrogen, halogen, and —C 1-6 alkyl, wherein each C 1-6 alkyl is unsubstituted or substituted with one to three substituents selected from R L ;
R a is selected from the group consisting of:
(1) halogen,
(2) —OR e ,
(3) —NR c S(O) m R e ,
(4) —S(O) m R e ,
(5) —S(O) m NR c R d ,
(6) —NR c R d ,
(7) —C(O)R e ,
(8) —OC(O)R e ,
(9) —CO 2 R e ,
(10) —CN,
(11) —C(O)NR c R d ,
(12) —NR c C(O)R e ,
(13) —NR c C(O)OR e ,
(14) —NR c C(O)NR c R d ,
(15) —CF 3 ,
(16) —OCF 3 , and,
(17) —OCHF 2 ;
R b is independently selected from the group consisting of:
(1) —C 1-10 alkyl,
(2) halogen,
(3) —OH,
(4) —OC 1-10 alkyl,
(5) —O(CH 2 )pOC 1-10 alkyl,
(6) —O(CH 2 ) P C 3-6 cycloalkyl,
(7) —O(CH 2 )pC 2-10 cycloheteroalkyl,
(8) —O(CH 2 )pO-C 3-6 cycloalkyl,
(9) —O(CH 2 )pO-C 2-10 cycloheteroalkyl,
(10) —CF 3 ,
(11) —OCF 3 ,
(12) —OCHF 2 ,
(13) —(CH 2 )p-C 2-10 cycloheteroalkyl, and
(14) —S(O) 2 C 1-10 alkyl,
wherein each R b is unsubstituted or substituted with one to five substituents selected from R k ;
R c and R d are each independently selected from the group consisting of:
(1) hydrogen,
(2) —C 1-10 alkyl, and
(3) —C 2-10 alkenyl,
wherein each R c and R d is unsubstituted or substituted with one to three substituents independently selected from R f ;
each R e is independently selected from the group consisting of:
(1) hydrogen, and
(2) —C 1-10 alkyl,
wherein each R e is unsubstituted or substituted with one to three substituents selected from R h ;
each R f is selected from the group consisting of:
(1) halogen,
(2) C 1-10 alkyl,
(3) —OH,
(4) —O—C 1-4 alkyl,
(5) —S(O) m —C 1-4 alkyl,
(6) —CN,
(7) —CF 3 ,
(8) —OCHF 2 , and
(9) —OCF 3 ,
wherein each C 1-10 alkyl is unsubstituted or substituted with one to three substituents independently selected from: —OH, halogen, cyano, and —S(O) 2 CH 3 ;
each R g is selected from the group consisting of:
(1) hydrogen,
(2) —C(O)R e , and
(3) —C 1-10 alkyl,
wherein —C 1-10 alkyl is unsubstituted or substituted with one to five fluorines;
each R h is selected from the group consisting of:
(1) halogen,
(2) C 1-10 alkyl,
(3) —OH,
(4) —O—C 1-4 alkyl,
(5) —S(O) m —C 1-4 alkyl,
(6) —CN,
(7) —CF 3 ,
(8) —OCHF 2 , and
(9) —OCF 3 ,
wherein each C 1-10 alkyl is unsubstituted or substituted with one to three substituents independently selected from: —OH, halogen, cyano, and —S(O) 2 CH 3 ;
each R k is independently selected from the group consisting of:
(1) halogen,
(2) —C 1-10 alkyl,
(3) —OH,
(4) oxo,
(5) halogen,
(6) —O—C 1-4 alkyl,
(7) —SO 2 —C 1-6 alkyl,
(8) —C 1-6 alkyl-SO 2 C 1-6 alkyl,
(9) —CN,
(10) —CF 3 ,
(11) —OCHF 2 ,
(12) —OCF 3 ,
(13) —NH 2 ,
(14) —NHSO 2 C 1-6 alkyl,
(15) —NHCOC 1-6 alkyl,
(16) ═N(OCH 3 ),
(17) —P(O)(OH) 2 , and
(18) —P(O)(OC 1-6 alkyl) 2 ,
wherein each C 1-10 alkyl is unsubstituted or substituted with one to three substituents independently selected from: —OH, —OC 1-6 alkyl, halogen, cyano, and —S(O) 2 C 1-6 alkyl;
R L is selected from the group consisting of:
(1) —C 1-6 alkyl,
(2) halogen,
(3) —OR e ,
(4) —NR c R d ,
(5) —C(O)R e ,
(6) —OC(O)R e ,
(7) —CO 2 R e ,
(8) —CN,
(9) —CF 3 ,
(10) —OCF 3 , and
(11) —OCHF 2 ;
each m is independently selected from: 0, 1 or 2; and
each p is independently selected from: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
or a pharmaceutically acceptable salt thereof.
2. A compound of structural formula I:
wherein:
n is 1;
X is oxygen;
T is CH;
U is N;
V is CH;
A is selected from the group consisting of: phenyl and pyridine, wherein A is unsubstituted or substituted with one to five substituents selected from R a ;
B is selected from the group consisting of: phenyl, pyridine, pyrimidine, thiazole, benzimidazole, benzthiazole, benzoxazole, and benzisoxazole, wherein B is unsubstituted or substituted with one to five substituents selected from R b ;
R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are hydrogen;
R a is selected from the group consisting of: —C 1-6 alkyl, halogen, and —CF 3 ;
R b is independently selected from the group consisting of:
(1) —C 1-10 alkyl,
(2) halogen,
(3) —OH,
(4) —OC 1-10 alkyl,
(5) —O(CH 2 )pOC 1-10 alkyl,
(6) —O(CH 2 )pC 3-6 cycloalkyl,
(7) —O(CH 2 )pC 2-10 cycloheteroalkyl,
(8) —O(CH 2 )pO-C 3-6 cycloalkyl,
(9) —O(CH 2 )pO-C 2-10 cycloheteroalkyl,
(10) —CF 3 ,
(11) —OCF 3 ,
(12) —OCHF 2 ,
(13) —(CH 2 )p-C 2-10 cycloheteroalkyl, and
(14) —S(O) 2 C 2-10 alkyl,
wherein each R b is unsubstituted or substituted with one to five substituents selected from R k ; and
each R k is independently selected from the group consisting of:
(1) —C 1-10 alkyl,
(2) —O—C 1-4 alkyl,
(3) —OH,
(4) halogen,
(5) —SO 2 —C 1-6 alkyl,
(6) —C 1-6 alkyl-SO 2 C 1-6 alkyl,
(7) —CN,
(8) —NHSO 2 C 1-6 alkyl,
(9) ═N(OCH 3 ), and
(10) —P(O)(OC 1-6 alkyl) 2 ,
wherein each C 1-10 alkyl is unsubstituted or substituted with one to three substituents independently selected from: —OH, —OC 1-6 alkyl, halogen, cyano, and —S(O) 2 C 1-6 alkyl; and
each p is independently selected from: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
or a pharmaceutically acceptable salt thereof.
3. A compound of structural formula I:
wherein:
n is 1;
X is oxygen;
T is CH;
U is N;
V is CH;
A is phenyl, wherein phenyl is unsubstituted or substituted with one to five substituents selected from R a ;
B is selected from the group consisting of: phenyl and pyridine, wherein B is unsubstituted or substituted with one to five substituents selected from R b ;
R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are hydrogen;
R a is selected from the group consisting of: —C 1-6 alkyl, halogen, and —CF 3 ;
R b is independently selected from the group consisting of:
(1) —C 1-10 alkyl,
(2) halogen,
(3) —OH,
(4) —OC 1-10 alkyl,
(5) —O(CH 2 )pC 2-10 cycloheteroalkyl,
(6) —CF 3 , and
(7) —(CH 2 )p-C 2-10 cycloheteroalkyl,
wherein each R b is unsubstituted or substituted with one to five substituents selected from R k ; and
each R k is independently selected from the group consisting of:
(1) —C 1-10 alkyl,
(2) —OH,
(3) halogen,
(4) —SO 2 —C 1-6 alkyl,
(5) —C 1-6 alkyl-SO 2 C 1-6 alkyl, and
(6) —CN,
wherein each C 1-10 alkyl is unsubstituted or substituted with one to three substituents independently selected from: —OH, —OC 1-6 alkyl, halogen, cyano, and —S(O) 2 C 1-6 alkyl; and
each p is independently selected from: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10;
or a pharmaceutically acceptable salt thereof.
4. A compound selected from:
or a pharmaceutically acceptable salt thereof.
5. A pharmaceutical composition comprising a compound of 1 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.
6. A pharmaceutical composition comprising
(1) a compound of claim 1 or a pharmaceutically acceptable salt thereof;
(2) one or more compounds selected from the group consisting of:
(a) PPAR gamma agonists and partial agonists;
(b) biguanides;
(c) protein tyrosine phosphatase-1B (PTP-1B) inhibitors;
(d) dipeptidyl peptidase IV (DP-IV) inhibitors;
(e) insulin or an insulin mimetic;
(f) sulfonylureas;
(g) α-glucosidase inhibitors;
(h) agents which improve a patient's lipid profile, said agents being selected from the group consisting of (i) HMG-CoA reductase inhibitors, (ii) bile acid sequestrants, (iii) nicotinyl alcohol, nicotinic acid or a salt thereof, (iv) PPARα agonists, (v) cholesterol absorption inhibitors, (vi) acyl CoA: cholesterol acyltransferase (ACAT) inhibitors, (vii) CETP inhibitors, and (viii) phenolic anti-oxidants;
(i) PPARα/γ dual agonists,
(j) PPARδ agonists,
(k) antiobesity compounds,
(l) ileal bile acid transporter inhibitors;
(m) anti-inflammatory agents;
(n) glucagon receptor antagonists;
(o) GLP-1;
(p) GIP-1;
(q) GLP-1 analogs;
(r) HSD-1 inhibitors;
(s) SGLT 1 inhibitors; and
(t) SGLT 2 inhibitors; and
(3) a pharmaceutically acceptable carrier.
7. A pharmaceutical composition comprising a compound according to claim 1 , or a pharmaceutically acceptable salt thereof, and a compound selected from simvastatin, ezetimibe and sitagliptin; and a pharmaceutically acceptable carrier.
8. The compound according to claim 4 selected from:
or a pharmaceutically acceptable salt thereof.
9. The compound according to claim 4 selected from:
or a pharmaceutically acceptable salt thereof.
10. The compound according to claim 4 selected from:
or a pharmaceutically acceptable salt thereof.
11. The compound according to claim 4 selected from:
or a pharmaceutically acceptable salt thereof.
12. The compound according to claim 4 selected from:
or a pharmaceutically acceptable salt thereof.
13. The compound according to claim 4 selected from:
or a pharmaceutically acceptable salt thereof.