# US 7,407,972 B2 · Inhibitors of factor Xa and other serine proteases involved in the coagulation cascade

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- Number: US 7,407,972 B2
- Document ID: US7407972B2
- Status: Granted
- Kind: B2
- Application number: 11/017,598
- Filed: 2004-12-20
- Published: 2005-12-01
- Granted: 2008-08-05
- Earliest claimed: 2001-11-29
- Assignees: Pfizer Inc.
- Inventors: Jeremy John Edmunds
- Web page: https://patentgrep.com/patent/US7407972B2

## CPC

- C07D 231/12: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- A61P 3/10: for hyperglycaemia, e.g. antidiabetics
- A61P 7/00: Drugs for disorders of the blood or the extracellular fluid
- A61P 7/02: Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
- A61P 9/04: Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
- A61P 9/10: for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
- A61P 35/00: Antineoplastic agents
- C07D 207/16: Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
- C07D 207/20: with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D 207/22: with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D 207/24: Oxygen or sulfur atoms
- C07D 207/26: 2-Pyrrolidones
- C07D 207/27: with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
- C07D 211/76: attached in position 2 or 6
- C07D 213/64: attached in position 2 or 6
- C07D 231/06: having one double bond between ring members or between a ring member and a non-ring member
- C07D 233/56: with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to ring carbon atoms
- C07D 237/14: Oxygen atoms
- C07D 249/08: 1,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
- C07D 401/04: directly linked by a ring-member-to-ring-member bond
- C07D 401/12: linked by a chain containing hetero atoms as chain links
- C07D 401/14: containing three or more hetero rings
- C07D 403/12: linked by a chain containing hetero atoms as chain links
- C07D 413/12: linked by a chain containing hetero atoms as chain links
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- A61P: SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS

## Abstract

The present invention provides compounds of Formula (I): wherein A, B, C, G, and W1 have any of the values defined in the specification, and pharmaceutically acceptable salt thereof, that are useful to treat thrombotic disorders. Also disclosed are pharmaceutical compositions comprising one or more compounds of Formula I, processes for preparing compounds of Formula I, and intermediates useful for preparing compounds of Formula I.

## Claims

### Claim 1

A compound of formula X:
or a pharmaceutically acceptable salt thereof wherein
“ - - - ” is a bond;
Z is C—H, C-halo, C—(C1-C6)alkyl, C-halo(C1-C6)alkyl, C—(C1-C6)alkoxy, or N;
G is H, halo, (C1-C6)alkyl, halo(C1-C6)alkyl, hydroxy(C1-C6)alkyl, —CH2O—(C1-C6)alkyl, —CH2—CO2(C1-C6)alkyl, —CH2—CONH2, or —CH2—CONH(C1-C6)alkyl;
XII is N;
R11 is absent, and R10 is H, —OH, halo, alkyl, haloalkyl, —NR8R9, —OR2, —CN, —CH2OH, —CH2—NR3R4,aryl, monocyclic heteroaryl, alkylaryl, —CH═O, —CH2OR2, —COR2, —CO2R2, or —CONR3R4;
R2 is each independently H or (C1-C6)alkyl; and
R3 and R4 are each independently H, (C1-C6)alkyl, aralkyl, aryl, monocyclic heteroaryl, alkoxycarbonyl, aralkoxycarbonyl, —SO2alkyl, or are joined together to form an optionally substituted saturated or unsaturated 3 to 7 membered ring;
R12 and R13 are each independently H, halo, (C1-C6)alkyl, or halo(C1-C6)alkyl, or (C1-C6)alkoxy;
R14 and R15 are each independently H, halo, alkyl, or haloalkyl, or NR8R9 wherein R8 and R9 are as defined for R3 and R4;
X and Y are each independently C or N, provided that when one of X or Y is N, R14 or R15 is absent at that position;
J1, J2, J3, and J4 are C or one of J1, J2, J3, and J4 is N;
R19, R20, R21, and R22 are each independently H, halo, hydroxy, NH2, NR23R24, NO2, SH, (C1-C6)alkyl, halo(C1-C6)alkyl, (C1-C6)alkanoyl, (C1-C6)alkoxycarbonyl, or (C1-C6)alkoxy, wherein R23 and R24 are each independently H, (C1-C6)alkyl, aralkyl, aryl, monocyclic heteroaryl, alkoxycarbonyl, aralkoxycarbonyl, —SO2alkyl, or are joined together to form an optionally substituted saturated or unsaturated 3 to 7 membered ring, or R19 and R20, R20 and R21, or R21 and R22, together with the carbons to which they are attached, form a 5, 6, or 7 membered saturated or unsaturated cycloalkyl or heterocycloalkyl ring, or an aryl or heteroaryl ring; provided that when any of J1, J2, J3, or J4 is N, R19, R20, R21, or R22 is absent at that position.

### Claim 2 (depends on 1)

The compound of claim 1, wherein
R10 is H or —CH2OR2, or —CO2R2, wherein R2 is each independently H or(C1-C6)alkyl;
R12 and R13 are each independently H, fluoro, chloro, bromo, methyl, or methoxy;
R14 and R15 are each independently H, fluoro, chloro, methyl, or trifluoromethyl;
X and Y are each independently C, or N, provided that X or Y is N, R14 or R15 is absent at that position; and
wherein
indicates the point of attachment.

### Claim 3

A pharmaceutical composition comprising a compound of formula I
or a pharmaceutically acceptable salt thereof wherein:
A is aryl or substituted aryl or monocyclic heteroaryl or substituted monocyclic heteroaryl;
(C3-C7)cycloalkyl, (C3-C7)heterocycloalkyl, (C4-C7)cycloalkenyl, (C4-C7)heterocycloalkenyl, aryl, or heteroaryl, any of which may be optionally substituted;
C is phenyl or heteroaryl, wherein phenyl or heteroaryl is optionally substituted with one or more substituents selected from halogen, hydroxy, —CO2R2, —COR2, —CONR2R2′, alkoxy, alkyl, —CN, haloalkyl, amino, alkylamino, amidino, amido, or sulfonamido;
G is H, halo, (C1-C6)alkyl, halo(C1-C6)alkyl, hydroxy(C1-C6)alkyl, —CH2O—(C1-C6)alkyl, —CH2—CO2(C1-C6)alkyl, —CH2—CONH2, or —CH2—CONH(C1-C6)alkyl;
W1 is —N═CR5—CH2— wherein W1 connects the nitrogen atom at position 1 to the carbon atom at position 2 to form a five membered ring;
R1 is (C1-C6)alkoxy, (C3-C7)cycloalkyl, (C3-C7)heterocycloalkyl, (C4-C7)cycloalkenyl, (C4-C7)heterocycloalkenyl, aryl, monocyclic heteroaryl, or —NR3R4;
R2 and R2′ are each independently H or (C1-C6)alkyl; and
R3 and R4 are each independently H, (C1-C6)alkyl, aralkyl, aryl, monocyclic heteroaryl, alkoxycarbonyl, aralkoxycarbonyl, —SO2alkyl, or joined together to form a saturated or unsaturated 3 to 7 membered ring;
R5 is —OH, alkyl, halo(C1-C6)alkyl, —NR3R4, —OR2, halo, —CN, —CH2OR2, —CH2—NR3R4, aryl, monocyclic heteroaryl, alkylaryl, —CONR3R4, —COR2, halo(C1-C6)alkyl, or —CO2R2; admixed with a carrier, diluent, or excipient.

### Claim 4

A compound which is:
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-methanesulfonyl-biphenyl-4-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(2-oxo-3,4,5,6-tetrahydro-2H-[1,3′]bipyridinyl-6′-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-[(2-oxo-3,4,5,6-tetrahydro-2H-[1,3′]bipyridinyl-6′-yl)-amide];
5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide];
3-Hydroxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-methanesulfonyl-biphenyl-4-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide];
(R) 4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-piperidin-1-yl)-phenyl]-amide };
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-methanesulfonyl-biphenyl-4-yl)-amide];
1-(4-Chloro-phenylcarbamoyl)-5-(3-fluoro-2′-methanesulfonyl-biphenyl-4-ylcarbamoyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester;
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Hydroxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Methoxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Hydroxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Methoxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
or a pharmaceutically acceptable salt thereof.

### Claim 5

A pharmaceutical composition comprising one or more compounds or a pharmaceutically acceptable salt thereof selected from the group consisting of:
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-methanesulfonyl-biphenyl-4-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(2-oxo-3,4,5,6-tetrahydro-2H-[1,3′]bipyridinyl-6′-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-[(2-oxo-3,4,5,6-tetrahydro-2H-[1,3′]bipyridinyl-6′-yl)-amide];
5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide];
3-Hydroxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-methanesulfonyl-biphenyl-4-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide];
(R) 4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide];
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-piperidin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-methanesulfonyl-biphenyl-4-yl)-amide];
1-(4-Chloro-phenylcarbamoyl)-5-(3-fluoro-2′-methanesulfonyl-biphenyl-4-ylcarbamoyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid ethyl ester;
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Hydroxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Methoxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
3-Hydroxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide}; and
3-Methoxymethyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(5-chloro-pyridin-2-yl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide};
and a carrier, diluent, or excipient.

### Claim 6

The compound 5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amine} or a pharmaceutically acceptable salt thereof.

### Claim 7

A pharmaceutical composition comprising (5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-{[2-fluoro-4-(2-oxo-2H-pyridin-1-yl)-phenyl]-amide}or a pharmaceutically acceptable salt thereof and a carrier, diluent, or excipient.

### Claim 8

The compound 5-Methyl-4,5-dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide] or a pharmaceutically acceptable salt thereof.

### Claim 9

A pharmaceutical composition comprising 5-Methyl-4,5-dihydro-pyrazole-1, 5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide]or a pharmaceutically acceptable salt thereof and a carrier, diluent, or excipient.

### Claim 10

The compound (R) 4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide] or a pharmaceutically acceptable salt thereof.

### Claim 11

The compound (R) 4,5-Dihydro-pyrazole-1,5-dicarboxylic acid 1-[(4-chloro-phenyl)-amide] 5-[(3-fluoro-2′-sulfamoyl-biphenyl-4-yl)-amide] or a pharmaceutically acceptable salt thereof and a carrier, diluent, or excipient.

### Claim 12

A compound of formula IV:
or a pharmaceutically acceptable salt thereof wherein
“ - - - ” is a bond;
Z is C—H, C-halo, C—(C1-C6)alkyl, C-halo(C1-C6)alkyl, C—(C1-C6)alkoxy, or N;
G is H, halo, (C1-C6)alkyl;
XII is N;
R11 is absent;
R10 is H, —OH, halo, alkyl, haloalkyl, —NR8R9, —OR2, —CN, —CH2OH, —CH2—NR3R4,aryl, monocyclic heteroaryl, alkylaryl, —CH═O, —CH2OR2, —COR2, —CO2R2, or —CONR3R4;
R2 is each independently H or (C1-C6)alkyl;
R3 and R4 are each independently H, (C1-C6)alkyl, aralkyl, aryl, monocyclic heteroaryl, alkoxycarbonyl, aralkoxycarbonyl, —S02alkyl, or are joined together to form an optionally substituted saturated or unsaturated 3 to 7 membered ring;
R12 and R13 are each independently H, halo, (C1-C6)alkyl, or halo(C1-C6)alkyl, or (C1-C6)alkoxy;
R14 and R15 are each independently H, halo, alkyl, or haloalkyl, or NR8R9 wherein R8 and R9 are as defined for R3 and R4;
X and Y are each independently C or N, provided that when one of X or Y is N, R14 or R15 is absent at that position; and
B is (C3-C7) cycloalkyl, (C3-C7)heterocycloalkyl, (C4-C7)cycloalkenyl, (C4-C7)heterocycloalkenyl, aryl, or heteroaryl, any of which may be optionally substituted by halo, (C1-C6)alkyl, halo(C1-C6)alkyl, oxo, —O—(C1-C6)alkyl, —CN, —NH2, —NR23R24, —SO2alkyl, or —SO2 NR23R24 wherein R23 and R24 are each independently H, (C1-C6)alkyl, aralkyl, aryl, monocyclic heteroaryl, alkoxycarbonyl, aralkoxycarbonyl, or are joined together to form an optionally substituted saturated or unsaturated 3 to 7 membered ring.

### Claim 13 (depends on 12)

The compound of claim 12, wherein
G is H, F, or methyl;
R10 is H, —CO 2R2, —CH2OR2, wherein each R2 is independently H or (C1-C6)alkyl;
R12 and R13 are each independently H, fluoro, chloro, bromo, methyl, or methoxy;
R14 and R15 are each independently H, fluoro, chloro, methyl, or trifluoromethyl;
X and Y are each independently C or N, provided that X or Y is N, R14 or R15 is absent at that position; and
B is phenyl optionally substituted by —SO2alkyl or —SO2 NR23R24 wherein R23 and R24 are each independently H or (C1-C6)alkyl.