IP Library Granted Patent US 12,391,690
Granted Patent B2
US 12,391,690 · App. 18/073,120 · Granted Aug 19, 2025

Compounds as autotaxin inhibitors and pharmaceutical compositions comprising the same

Inventors: Dae Yon Lee (Daejeon, KR); Sang Eun Chae (Daejeon, KR); Eun Mi Jung (Daejeon, KR); Eun Hye Yang (Daejeon, KR); Yoon Jeong Choi (Daejeon, KR); Chul-Woong Chung (Daejeon, KR); Ju Hyun Shin (Daejeon, KR); Yun Ki Kim (Daejeon, KR); Hyun Jin Kwon (Daejeon, KR); Jeong Hee Ryu (Daejeon, KR); Eun Hye Ban (Daejeon, KR); Yong Zu Kim (Daejeon, KR); Yeong Soo Oh (Daejeon, KR); Jeiwook Chae (Daejeon, KR)
Assignee: LigaChem Biosciences Inc.
C07D471/04C07D239/42C07D401/14C07D403/14C07D413/12C07D413/14C07D471/10C07D498/10C07D513/04C07D519/00
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Quick Facts
Patent No.
US 12,391,690
App. No.
18/073,120
Granted
Aug 19, 2025
Kind
B2
Abstract

The present invention relates to novel compounds as autotoxin inhibitors for treatment and prophylaxis of conditions or a disorder caused by autotaxin activation or increased concentration of lysophosphatidic acid, and also a pharmaceutical composition containing the same. The novel compounds of the present invention are autotoxin inhibitors, and by inhibiting the production of lysophosphatidic acid, they are useful for treatment or prophylaxis of cardiovascular disorder, cancer, metabolic disorder, kidney disorder, liver disorder, inflammatory disorder, nervous system disorder, respiratory system disorder, fibrotic disease, ocular disorder, cholestatic and other forms of chronic pruritus, or acute or chronic organ transplant rejection.

Claims (71)

1. A compound represented by the following chemical formula 1, or a pharmaceutically acceptable salt thereof:

wherein:

X is CR′ and Y is N;

R′ is hydrogen, C1-C10 alkyl, or C6-C12 aryl;

R is indanyl, C6-C12arC1-C10 alkyl, or C6-C12arC3-C10 cycloalkenyl;

said aralkyl and arcycloalkenyl of above R may be further substituted with one or more substituents that are selected from halogen, C1-C10 alkoxy, and halo-substituted C1-C10 alkoxy;

A is C2-C12 heteroaryl, carboxyl-substituted C1-C10 alkyl, C6-C12 aryl, C6-C12arC1-C10 alkyl, C2-C12 heterocycloalkyl, or NR 1 R 2 ;

said heteroaryl, aryl, aralkyl, and heterocycloalkyl of above A may be further substituted with one or more substituents that are selected from hydroxy, carboxyl, carbamoyl, aminosulfonyl, C1-C10 alkylsulfonylamino, C6-C12 arylsulfonylamino, aminosulfonylamino (—NHSO 2 NH 2 ), —C(═O) CH 2 OH and amino,

R 1 and R 2 are each independently hydrogen or carboxyl-substituted C1-C10 alkyl, or R 1 and R 2 may be linked to each other to form a monocycle, a polycycle, or a spiro ring that is either saturated or unsaturated;

said ring formed as above may contain one or more hetero atoms that are selected from nitrogen, oxygen, and sulfur and may contain a C═C double bond, a C═N double bond, or a N═N double bond, and a CH 2 in said ring formed as above may be substituted with oxo, and also in which said ring as formed above may be substituted with or further substituted with one or more substituents that are selected from hydroxy, carboxyl, carbamoyl, aminosulfonyl, C1-C10 alkylsulfonylamino, C6-C12 arylsulfonylamino, aminosulfonylamino (—NHSO 2 NH 2 ), hydrazide and amino;

L is a single bond, —(CR 3 R 4 ) a C(═O)—, —C(═O)—(CR 3 R 4 ) a —, —C(═O)—(CR 5 R 6 ) b —NH—(CR 7 R 8 ) c —, —NH—(CR 7 R 8 ) c —C(═O)—(CR 5 R 6 ) b —, —C(═NR 9 )—(CR 3 R 4 ) a —, C2-C12 heteroarylene, —(CR 3 R 4 ) a —C2-C12 heterocycloalkylene-, —C2-C12 heterocycloalkenylene-(CR 3 R 4 ) a —, —C2-C12 heterocycloalkylene-(CR 3 R 4 ) a —(NH) d —,

R 3 to R 8 are each independently hydrogen or C1-C10 alkyl;

R 9 is hydroxy, C1-C10 alkoxy, or mono- or di-C1-C10 alkylamino;

Y1 is NR 10 , O, or S;

each R 10 is independently hydrogen or C1-C10 alkyl;

a is an integer of from 1 to 5;

b and c are each independently an integer of from 0 to 5;

d is an integer of 0 or 1;

Q is selected from the following structures:

and

said heteroaryl, heteroarylene, heterocycloalkylene, heterocycloalkenylene, and heterocycloalkyl contain at least one hetero atom that is selected from nitrogen, oxygen, and sulfur;

provided that, when Q is carbonyl, L or A contains a nitrogen atom directly bonded to Q.

2. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein the ring formed as R 1 and R 2 are linked to each other is selected from the following structures:

wherein:

R a is hydrogen, hydroxy, carboxyl, carbamoyl, C1-C10 alkylsulfonylamino, aminosulfonylamino (—NHSO 2 NH 2 ), or amino;

R b is hydrogen, carboxyl, or aminosulfonyl; and

m is an integer of 0, 1, or 2.

3. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein the A is selected from the following structures:

wherein:

R c is C1-C7 alkyl, or amino;

p is an integer of from 0 to 5;

q and r are each independently an integer of from 1 to 5; and

m is an integer of 0, 1, or 2.

4. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein the L is a single bond or selected from the following structures:

wherein:

R d and R e are each independently hydrogen or C1-C7 alkyl;

R f is hydroxy, C1-C7 alkoxy, or mono- or di-C1-C7 alkylamino;

Y1 is NR 10 , O, or S;

R 10 is each independently hydrogen or C1-C7 alkyl;

s is an integer of from 0 to 3; and

t is an integer of from 1 to 3.

5. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein the compound is a compound represented by the following chemical formula 2;

wherein:

R is indanyl, halo-substituted C1-C7 alkoxybenzyl, or halo-substituted C6-C12 aryl C5-C7 cycloalkenyl;

A is selected from the following structures;

R c is C1-C7 alkyl or amino;

p is an integer of from 0 to 5;

q and r are each independently an integer of from 1 to 5;

m is an integer of 0, 1, or 2;

L is either a single bond or selected from the following structures;

R d and R e are each independently hydrogen or C1-C7 alkyl;

R f is hydroxy, C1-C7 alkoxy, or mono- or di-C1-C7 alkylamino;

Y1 is NR 10 , O, or S;

each R 10 is independently hydrogen or C1-C7 alkyl;

s is an integer of from 0 to 3;

t is an integer of from 1 to 3;

Q is selected from the following structures:

6. The compound according to claim 5 , or a pharmaceutically acceptable salt thereof, wherein the R is indanyl or halo-substituted C1-C7 alkoxybenzyl;

A is selected from the following structures;

p is an integer of from 1 to 5;

m is an integer of 0, 1, or 2;

L is either a single bond or selected from the following structures;

R d and R e are each independently hydrogen or C1-C7 alkyl;

s is an integer of from 0 to 3;

t is an integer of from 1 to 3;

Q is selected from the following structures:

7. The compound according to claim 1 , or a pharmaceutically acceptable salt thereof, wherein the compound is selected from compounds of the following structures:

8. A pharmaceutical composition comprising a compound of claim 1 , or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

9. A method of treatment of a disorder related to autotaxin (ATX) activity comprising administering to a subject in need thereof a therapeutically effective amount of a compound of claim 1 , or a pharmaceutically acceptable salt thereof, wherein the disorder related to ATX activity is selected from cardiovascular disorder, cancer, metabolic disorder, kidney disorder, liver disorder, inflammatory disorder, nervous system disorder, respiratory system disorder, fibrotic disease, ocular disorder, cholestatic and other forms of chronic pruritus, and acute or chronic organ transplant rejection.

10. The method of claim 9 , wherein the disorder related to ATX activity is selected from cardiovascular disorder, cancer, obesity, diabetes mellitus, acute kidney failure, chronic kidney disease, diabetic nephropathy, acute kidney transplant rejection, chronic allograft nephropathy, liver cirrhosis, hepatic congestion, pruritus, nonalcoholic steatohepatitis, acute and chronic liver transplant rejection, arthritis, atopic dermatitis, asthma, neuropathic pain, schizophrenia, neuro-inflammation, peripheral neuropathy, autonomic neuropathy, systemic disease, vasculitides, sarcoidosis, hypersensitivity pneumonia, alveolar proteinosis, langerhans cell granulomatosis, lymphangioleiomyomatosis, radiation induced fibrosis, silicosis, asbestos induced pulmonary fibrosis, acute respiratory distress syndrome (ARDS), myocardial and vascular fibrosis, kidney fibrosis, liver fibrosis, pulmonary fibrosis, skin fibrosis, scleroderma, encapsulating peritonitis, renal tubulo-interstitial fibrosis, glomerulosclerosis, non-alcoholic liver steatosis, idiopathic pulmonary fibrosis, proliferative and non-proliferative retinopathy, dry and wet age-related macular degeneration (AMD), macular edema, central arterial/venous occlusion, traumatic injury, glaucoma, chronic pruritus of cholestatic form, and acute or chronic organ transplant rejection.

11. The method of claim 10 , wherein the inflammatory disorder is selected from atopic dermatitis, arthritis, and asthma.

Assignments (2)
CHANGE OF NAME Recorded Jul 17, 2024
From: LEGOCHEM BIOSCIENCES, INC.
To: LIGACHEM BIOSCIENCES INC.
Reel/Frame 068420/0565 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 3, 2023
From: LEE, DAE YON; CHAE, SANG EUN; JUNG, EUN MI; YANG, EUN HYE; CHOI, YOON JEONG; CHUNG, CHUL-WOONG; SHIN, JU HYUN; KIM, YUN KI; KWON, HYUN JIN; RYU, JEONG HEE; BAN, EUN HYE; KIM, YONG ZU; OH, YEONG SOO; CHAE, JEIWOOK
To: LEGOCHEM BIOSCIENCES, INC.
Reel/Frame 064484/0860 →
Priority Claims (1)
KR 10-2017-0060940 · May 17, 2017 · national
Continuity (2)
Continuation 16098748
Related Publication 20230123569A1 · Apr 20, 2023
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