Tricyclic compound and pharmaceutical use thereof

1 . A compound of Formula 1a to 1c or a pharmaceutically acceptable salt thereof

wherein:

X is H, a halogen, C 1-6 alkyl, or C 1-6 alkoxy; and

R 1 and R 2 are each independently H, —OH, —F, —Cl, —Br, —CF 3 , —CN, —COOH, or C 1-3 alkyl; or

wherein:

X is H, a halogen, C 1-6 alkyl, or C 1-6 alkoxy; and

R 1 and R 2 are each independently H, —Cl, or C 1-3 alkyl; or

wherein:

X is H, a halogen, C 1-6 alkyl, or C 1-6 alkoxy;

A is

and

R 1 and R 2 are both H.

2 . A compound or a pharmaceutically acceptable salt thereof, selected from the group consisting of:

3) 8-chloro-11-(1-(methylsulfonyl)piperidin-4-ylidene)-6,11-dihydro-5H -benzo[5,6]cyclohepta[1,2-b]pyridine;

4) 4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-N -isopropylpiperidine-1-carbothioamide;

6) (R)-3-amino-1-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)-4-(2,4,5-trifluorophenyl)butan-1-one dihydrochloride;

7) (S)-2-amino-3-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidine-1-carbonyl)phenyl)propionic acid dihydrochloride;

8) (S)-1-(2-amino-4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)-4-oxobutyl)-5,5-difluoropiperidin-2-one dihydrochloride;

9) 3-(2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene) piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

10) 3-(2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene) piperidin-1-yl)ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

11) 2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-1-(6-methylimidazo[2, 1-b]thiazol-5-yl)ethan-1-one;

12) 3-(2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethyl)quinazoline-2,4(1H,3H)-dione;

14) (S)-2-amino-3-(4-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)propionic acid trihydrochloride;

15) 2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-1-(6-methylimidazo[2, 1-b]thiazol-5-yl)ethan-1-ol;

16) ethyl(S)-2-((t-butoxycarbonyl)amino)-3-(4-(4-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)propanoate;

17) (S)-2-((t-butoxycarbonyl)amino)-3-(4-(4-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)propionic acid;

18) 7-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one;

19) 2-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butyl)hexahydro-1H-isoindole-1,3(2H)-dione;

20) (S)-2-amino-3-(3-chloro-4-(4-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)propionic acid trihydrochloride;

21) (S)-2-amino-3-(3-chloro-4-(3-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)phenyl)propionic acid trihydrochloride;

22) (S)-2-amino-3-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)phenyl)propionic acid trihydrochloride;

23) (2S,4S)-4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)pyrrolidine-2-carboxylic acid trihydrochloride;

24) 1-(4-bromophenyl)-2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethan-1-one;

25) (4R,7S)-2-(((1S,2S)-2-((4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione;

26) 2-(((1S,2S)-2-((4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-isoindole-1,3(2H)-dione;

27) 1-(4-bromophenyl)-2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethan-1-ol;

28) (2S,4R)-4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene) piperidin-1-yl) pyrrolidine-2-carboxylic acid;

29) (S)-2-amino-3-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)phenyl)propionic acid dihydrochloride;

30) (4R,7S)-2-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione;

31) ethyl(S)-2-amino-3-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)phenyl)propanoate trihydrochloride;

33) 3-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butyl)-1H-indole-5-carbonitrile;

34) t-butyl((2S,3R)-4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)-3-hydroxy-1-phenylbutan-2-yl)carbamate;

35) (2R,3S)-3-amino-1-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-4-phenylbutan-2-ol;

36) trans-methyl 2-(-4-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo [5,6] cyclohepta [1,2- b]pyridin-11-ylidene) piperidin-1-yl)-2-hydroxypropoxy)phenyl)cyclohexyl)acetate;

37) 2-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropyl)hexahydro-1H-isoindole-1,3(2H)-dione;

38) (4R,7S)-2-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione;

39) 6-chloro-5-(2-(4-(8-chloro-5,6-dihydro-11H-benzo [5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethyl)indolin-2-one;

40) trans-methyl2-(-4-(4-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)cyclohexyl)acetate;

41) trans-2-(4-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)phenyl)cyclohexyl)acetic acid;

42) trans-2-(4-(4-(4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)butoxy)phenyl)cyclohexyl)acetic acid;

43) (S)-2-((t-butoxycarbonyl)amino)-3-(4-(((2S,3R)-4-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-3-hydroxy-1-phenylbutan-2-yl)carbamoyl)phenyl)propionic acid;

44) (S)-2-amino-3-(4-(((2S,3R)-4-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-3-hydroxy-1-phenylbutan-2-yl)carbamoyl)phenyl)propionic acid trihydrochloride;

45) trans-2-(4-(4- (((2S,3R)-4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-3-hydroxy-1-phenylbutan-2-yl)carbamoyl)phenyl)cyclohexyl)acetic acid;

46) N-((2S,3R)-4-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-3-hydroxy-1-phenylbutan-2-yl)-2-phenyl-5-(trifluoromethyl) oxazole-4-carboxamide;

47) (4R,7S)-2-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propyl)hexahydro-1H-4,7-methanoisoindole-1,3 (2H)-dione;

49) isopropyl(S)-2-amino-3-(4-(3-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)phenyl)propanoate trihydrochloride;

50) neopentyl(S)-2-amino-3-(4-(3-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)phenyl)propanoate trihydrochloride;

51) cyclopentyl(S)-2-amino-3-(4-(3-(4-(8-chloro-5,6-dihydro-11H -benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)phenyl)propanoate trihydrochloride;

52) 4-((3-(2-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethyl)-2-methyl-4-oxo-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-9-yl)oxy)-4-oxobutanoic acid;

53) 2-((1R,4R)-4-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)phenyl)cyclohexyl)acetic acid;

54) 4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)-4″-(trifluoromethoxy)-[1,1′:3′,1″-terphenyl]-5′-carboxylic acid;

55) (2S)-2-amino-3-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)phenyl)propionic acid trihydrochloride;

56) 3-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propoxy)benzyl)-1-(4-fluorobenzyl)-1-(1-methylpiperidin-4-yl)urea;

57) N-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)phenyl)acetamide;

58) t-butyl (4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)phenyl)carbamate;

59) N-(4-(3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-2-hydroxypropoxy)phenyl)-2-(4-fluorophenyl)acetamide;

60) 1-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-3-(2-(3-methoxyphenethyl)phenoxy)propan-2-ol;

61) 1-(2-allylphenoxy)-3-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)propan-2-ol;

62) (E)-1-(4-(8-chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)-3-(2-(3-methoxystyryl)phenoxy)propan-2-ol;

63) 9-hydroxy-3-(2-(4-(8-methoxy-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin -11-ylidene)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

64) 9-hydroxy-2-methyl-3-(2-(4-(8-methyl-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)ethyl)-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

65) 3-(2-(4-(5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin -1-yl) ethyl)-9-hydroxy-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one;

66) (S)-2-amino-3-(4-(4-(4-(8-methoxy-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)propionic acid trihydrochloride;

67) (S)-2-amino-3-(4-(4-(4-(8-methyl-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)butoxy)phenyl)propionic acid trihydrochloride;

68) (S)-2-amino-3-(4-(4-(4-(5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene) piperidin-1-yl) butoxy) phenyl) propionic acid trihydrochloride;

69) (4R,7S)-2-((trans-2- ((4-(8-methoxy-5,6-dihydro-11H-benzo[5,6]cyclohepta [1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione;

70) (4R,7S)-2-((trans-2-((4-(5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H) -dione;

71) (4R,7S)-2-((trans-2-((4-(8-methyl-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione;

72) 2-((trans-2-((4-(8-methoxy-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-isoindole-1,3(2H)-dione;

73) 2-((trans-2-((4-(5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-isoindole-1,3(2H)-dione; and

74) 2-((trans-2-((4-(8-methyl-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-isoindole-1,3(2H)-dione.

3 . A method for treating diseases associated with serotonin 2A (5-HT2A) activation, including administering the compound of claim 1 to a subject in need thereof

wherein the diseases associated with serotonin 2A (5-HT2A) activation is a metabolic disease or cancer, and

wherein the metabolic disease is selected from the group consisting of obesity, diabetes, hyperlipidemia, arteriosclerosis, fatty liver, steatohepatitis, fibrosis, and hypertension, and the cancer is selected from the group consisting of colon cancer, breast cancer, and ovarian cancer.

4 . A method for inhibiting the activity of serotonin 2A (5-HT2A), including administering the compound of claim 1 to a subject in need thereof.

5 . A method for treating diseases associated with serotonin 2A (5-HT2A) activation, including administering the following compound to a subject in need thereof:

8-chloro-11-(1-methylpiperidin-4-ylidene)-6, 11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine,

wherein the diseases associated with serotonin 2A (5-HT2A) activation is a metabolic disease,

selected from the group consisting of obesity, diabetes, hyperlipidemia, arteriosclerosis, fatty liver, steatohepatitis, fibrosis, and hypertension.

6 . A method for treating diseases associated with serotonin 2A (5-HT2A) activation, including

administering the compound of claim 2 to a subject in need thereof;

wherein the diseases associated with serotonin 2A (5-HT2A) activation is a metabolic disease

selected from the group consisting of obesity, diabetes, hyperlipidemia, arteriosclerosis, fatty liver, steatohepatitis, fibrosis, and hypertension, or a cancer selected from the group consisting of colon cancer, breast cancer, and ovarian cancer.

7 . A method for inhibiting the activity of serotonin 2A (5-HT2A), including administering the compound of claim 2 to a subject in need thereof.