Benzothia(di)azepine compounds and their use as bile acid modulators
The invention relates to 1,5-benzothiazepine and 1,2,5-benzothiadiazepine derivatives of formula (I). These compounds are bile acid modulators having apical sodium-dependent bile acid transporter (ASBT) and/or liver bile acid transport (LBAT) inhibitory activity. The invention also relates to pharmaceutical compositions comprising these compounds and to the use of these compounds in the treatment of cardiovascular diseases, fatty acid metabolism and glucose utilization disorders, gastrointestinal diseases and liver diseases.
1. A compound of formula (I)
wherein
M is selected from —CH 2 — and —NR 6 —;
R 1 is C 1-4 alkyl;
R 2 is independently selected from the group consisting of hydrogen, halogen, hydroxy, C 1-4 alkyl, C 1-4 haloalkyl, C 1-4 alkoxy, cyano, nitro, amino, N—(C 1-4 alkyl)amino, N,N-di(C 1-4 alkyl)-amino, N-(aryl-C 1-4 alkyl)amino, C 1-6 alkylcarbonylamino, C 3-6 cycloalkylcarbonylamino, N—(C 1-4 alkyl)aminocarbonyl, N,N-di(C 1-4 alkyl)aminocarbonyl, C 1-4 alkyloxycarbonylamino, C 3-6 cycloalkyloxycarbonylamino, C 1-4 alkylsulfonamido and C 3-6 cycloalkylsulfonamido;
n is an integer 1, 2 or 3;
R 3 is selected from the group consisting of hydrogen, halogen, cyano, C 1-4 alkyl, C 3-6 cycloalkyl, C 1-4 alkoxy, C 3-6 cycloalkyloxy, C 1-4 alkylthio, C 3-6 cycloalkylthio, amino, N—(C 1-4 alkyl)amino and N,N-di(C 1-4 alkyl)amino;
One of R 4 and R 5 is carboxyl, and the other of R 4 and R 5 is selected from the group consisting of hydrogen, fluoro, C 1-4 alkyl and C 1-4 haloalkyl;
R 6 is selected from the group consisting of hydrogen and C 1-4 alkyl; and
R 7 is selected from the group consisting of hydrogen and C 1-4 alkyl;
or a pharmaceutically acceptable salt thereof.
2. A compound according to claim 1 , wherein R 1 is n-butyl.
3. A compound according to claim 1 , wherein R 1 is n-propyl.
4. A compound according to claim 1 , wherein R 2 is independently selected from the group consisting of hydrogen, fluoro, chloro, bromo, hydroxy, methoxy, amino, methylamino, dimethylamino, isopropylcarbonylamino, tert-butylcarbonylamino, tert-butylaminocarbonyl, tert-butoxycarbonylamino, methylsulfonamido and cyclopropylsulfonamido.
5. A compound according to claim 1 , wherein R 3 is selected from the group consisting of hydrogen, fluoro, chloro, bromo, methyl, cyclopropyl, methoxy, ethoxy, methylthio, ethylthio, amino, methylamino and dimethylamino.
6. A compound according to claim 1 , wherein R 4 is hydrogen or fluoro.
7. A compound according to claim 1 , wherein R 5 is carboxyl.
8. A compound according to claim 1 , wherein R 6 is hydrogen.
9. A compound according to claim 1 , selected from the group consisting of:
(Z)-3-((3-butyl-3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)-2-fluoroacrylic acid;
(R)-(Z)-3-((3-butyl-3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)-2-fluoroacrylic acid;
(S)-(Z)-3-((3-butyl-3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)-2-fluoroacrylic acid;
(E)-3-((3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-3-propyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)acrylic acid;
(S)-(E)-3-((3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-3-propyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)acrylic acid;
(R)-(E)-3-((3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-3-propyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)acrylic acid;
(Z)-2-fluoro-3-((3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-3-propyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)acrylic acid;
(R)-(Z)-2-fluoro-3-((3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-3-propyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)acrylic acid;
(S)-(Z)-2-fluoro-3-((3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-3-propyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)acrylic acid; and
(Z)-3-((3-ethyl-3-methyl-7-(methylthio)-1,1-dioxido-5-phenyl-2,3,4,5-tetrahydro-1,5-benzothiazepin-8-yl)oxy)-2-fluoroacrylic acid;
or a pharmaceutically acceptable salt thereof.
10. A pharmaceutical composition comprising a therapeutically effective amount of a compound according to claim 1 , or a pharmaceutically acceptable salt thereof, and one or more pharmaceutically acceptable excipients.