IP Library Granted Patent US 10,556,891
Granted Patent B2
US 10,556,891 · App. 15/988,920 · Granted Feb 11, 2020

Compositions and methods for inhibition of the JAK pathway

Inventors: Yan Chen (Foster City, CA); Vanessa Taylor (San Francisco, CA); Hui Li (Santa Clara, CA); Rajinder Singh (Belmont, CA)
Assignee: Rigel Pharmaceuticals, Inc.
C07D413/12A61K31/155A61K31/506A61K31/538A61K31/5377A61K31/5383A61K31/54A61K31/541A61K31/5415A61K31/55A61K31/551A61K31/635A61K31/675A61K45/06C07D401/14C07D403/12C07D413/04C07D413/14C07D419/14C07D451/02C07D471/04C07D471/08C07D487/04C07D487/08C07D487/10C07D491/08C07D498/04C07F9/65583
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Quick Facts
Patent No.
US 10,556,891
App. No.
15/988,920
Granted
Feb 11, 2020
Kind
B2
Abstract

Disclosed are compounds of formula I, compositions containing them, and methods of use for the compounds and compositions in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK 2 and JAK3, are therapeutically useful.

Claims (84)

1. A compound of formula I, or salt thereof,

wherein:

X and Y are each independently O, S, S(O), SO 2 or NR 1 ;

each R 1 is independently for each occurrence H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, CO 2 —C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 cycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group;

ring A is bicyclic aryl ring system, or ring A is

where the R b substituent for

is OH, C 1-6 alkyl, —CO 2 C 1-6 alkyl, —C(O)C 1-6 alkyl or —S(O) 2 C 1-6 alkyl;

each R 2 is independently for each occurrence H, R e , R b , R e substituted with one or more of the same or different R a and/or R b , —OR e substituted with one or more of the same or different R a and/or R b , —SR e substituted with one or more of the same or different R a and/or R b , —C(O)R e substituted with one or more of the same or different R a and/or R b , —N(R a )R e where R e is substituted with one or more of the same or different R a and/or R b , —S(O) 2 R e substituted with one or more of the same or different R a and/or R b , —N(R a )—S(O) 2 R e where R e is substituted with one or more of the same or different R a and/or R b , —B(OR a ) 2 , —B(N(R c ) 2 ) 2 , —(C(R a ) 2 ) m —R b , —O—(C(R a ) 2 ) m —R b , —S—(C(R a ) 2 ) m —R b , —O—(C(R b ) 2 ) m —R a , —N(R a )—(C(R a ) 2 ) m —R b , —O—(CH 2 ) m —CH((CH 2 ) m R b )R b , —C(O)N(R a )—(C(R a ) 2 ) m —R b , —O—(C(R a ) 2 ) m —C(O)N(R a )—(C(R a ) 2 ) m —R b , —N((C(R a ) 2 ) m R b ) 2 , —S—(C(R a ) 2 ) m —C(O)N(R a )—(C(R a ) 2 ) m —R b , —N(R a )—C(O)—N(R a )—(C(R a ) 2 ) m —R b , —N(R a )—C(O)—(C(R a ) 2 ) m —C(R a )(R b ) 2 or —N(R a )—(C(R a ) 2 ) m —C(O)—N(R a )—(C(R a ) 2 ) m —R b ;

each R a is independently for each occurrence H, deuterium, C 1-6 alkyl, C 3-8 cycloalkyl, C 4-11 cycloalkylalkyl, C 6-10 aryl, C 7-16 arylalkyl, 2-6 membered heteroalkyl, 3-10 membered heteroalicyclyl, 4-11 membered heteroalicyclylalkyl, 5-15 membered heteroaryl or 6-16 membered heteroarylalkyl;

each R b is independently for each occurrence ═O, —OR a , —O—(C(R a ) 2 ) m —OR a , haloC 1-3 alkyloxy, ═S, —SR a , ═NR a , ═NOR a , —N(R c ) 2 , halo, —CF 3 , —CN, —NC, —OCN, —SCN, —NO, —NO 2 , ═N 2 , —N 3 , —S(O)R a , —S(O) 2 R a , —SO 3 R a , —S(O)N(R c ) 2 , —S(O) 2 N(R c ) 2 , —OS(O)R a , —OS(O) 2 R a , —OSO 3 R a , —OS(O) 2 N(R c ) 2 , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —C(NR a )—N(R c ) 2 , —C(NOH)—R a , —C(NOH)—N(R c ) 2 , —OC(O)R a , —OC(O)OR a , —OC(O)N(R c ) 2 , —OC(NH)—N(R c ) 2 , —OC(NR a )—N(R c ) 2 , —N(R a )—S(O) 2 H, —[N(R a )C(O)] n R a , —[N(R a )C(O)] n OR a , —[N(R a )C(O)] n N(R c ) 2 or —[N(R a )C(NR a )] n —N(R c ) 2 ;

each R c is independently for each occurrence R a , or, alternatively, two R c are taken together with the nitrogen atom to which they are bonded to form a 3 to 10-membered heteroalicyclyl or a 5-10 membered heteroaryl which may optionally include one or more of the same or different additional heteroatoms and which is optionally substituted with one or more of the same or different R a and/or R d groups;

each R d is ═O, —OR a , haloC 1-3 alkyloxy, C 1-6 alkyl, ═S, —SR a , ═NR a , ═NOR a , —N(R a ) 2 , halo, —CF 3 , —CN, —NC, —OCN, —SCN, —NO, —NO 2 , ═N2, —N 3 , —S(O)R a , —S(O 2 )R a , —SO 3 R a , —S(O)N(R a ) 2 , —S(O) 2 N(R a ) 2 , —OS(O)R a , —OS(O) 2 R a , —OSO 3 R a , —OS(O) 2 N(R a ) 2 , —C(O)R a , —CO 2 R a , —C(O)N(R a ) 2 , —C(NR a )N(R a ) 2 , —C(NOH)R a , —C(NOH)N(R a ) 2 , —OCO 2 R a , —OC(O)N(R a ) 2 , —OC(NR a )N(R a ) 2 , —[N(R a )C(O)] n R a , —(C(R a ) 2 ) n -OR a , —N(R a )—S(O) 2 R a , —C(O)—C 1-6 haloalkyl, —S(O) 2 C 1-6 haloalkyl, —OC(O)R a , —O(C(R a ) 2 ) m —OR a , —S(C(R a ) 2 ) m —OR a , —N(R a )C 1-6 haloalkyl, —P(O)(OR a ) 2 , —N(R a )—(C(R a ) 2 ) m —OR a , —[N(R a )C(O)] n OR a , —[N(R a )C(O)] n N(R a ) 2 , —[N(R a )C(NR a )] n N(R a ) 2 or —N(R a )C(O)C 1-6 haloalkyl; or two R d , taken together with the atom or atoms to which they are attached, combine to form a 3-10 membered partially or fully saturated mono or bicyclic ring, optionally containing one or more heteroatoms and optionally substituted with one or more R a ;

each R e is independently for each occurrence C 1-6 alkyl, C 3-8 scycloalkyl, C 4-11 cycloalkylalkyl, C 6-10 aryl, C 7-16 arylalkyl, 2-6 membered heteroalkyl, 3-10 membered heteroalicyclyl, 4-11 membered heteroalicyclylalkyl, 5-15 membered heteroaryl or 6-16 membered heteroarylalkyl;

p is 0, 1, 2, 3 or 4;

each m is 1, 2 or 3;

each n is 0, 1, 2 or 3;

two R 2 groups, taken together with the atom or atoms to which they are attached, combine to form a 4-10 membered partially or fully saturated mono or bicyclic ring, optionally containing one or more heteroatoms and optionally substituted with one or more R a and/or R b ;

Z 1 and Z 2 are each independently CH, CR 2 or N;

R 3 is H, optionally substituted C 1-6 alkyl or R 50 ;

R 4 is H, optionally substituted C 1-6 alkyl or R 50 ; and

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a .

2. The compound according to claim 1 wherein X is selected from O, S, S(O), or SO 2 .

3. The method according to claim 1 wherein R 5 is halo, —CN,

optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a .

4. A method, comprising:

providing a compound according to claim 1 ; and

administering the compound to a subject to treat a bowel disorder.

5. The method of claim 4 , wherein the compound has a formula IA3

or a salt thereof, wherein R b is OH, C 1-6 alkyl, —CO 2 C 1-6 alkyl, —C(O)C 1-6 alkyl or —S(O) 2 C 1-6 alkyl.

6. The method of claim 4 , wherein the compound has a formula II

or a salt thereof, wherein:

ring B, together with the two phenyl ring atoms to which it is attached, forms a 5-, 6- or 7-membered bicyclic aryl ring system, optionally comprising 1, 2 or 3 heteroatoms independently selected from N(R c ) and O, or forms

where the R b substituent is OH, C 1-6 alkyl, —CO 2 C 1-6 alkyl, —C(O)C 1-6 alkyl or —S(O) 2 C 1-6 alkyl;

each R 1 independently is, for each occurrence, H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, CO 2 —C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 scycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a

each R a independently is C 1-6 alkyl;

each R b independently is, for each occurrence, ═O, —OR a , haloC 1-3 alkyloxy, —SR a , —N(R c ) 2 , halo, —CF 3 , —CN, —S(O) 2 N(R c ) 2 , —S(O) 2 R a , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —N(R a )—S(O) 2 H, or —C(R a ) 2 —N(R c ) 2 ; and

Z 1 is CH, CR 2 , C-halo or, C-optionally substituted C 1-6 alkyl, or N.

7. The method of claim 6 , wherein the B ring is cyclopentane, pyrrolidine, imidazolidine, 1,3-dioxolane, oxazolidine, tetrahydrofuran, cyclohexane, morpholine, piperidine, dioxane, oxathiazinane, piperazine, cycloheptane, cycloheptene, azepane, tetrahydroazepine, diazepane, cyclooctane, cyclooctene, azocane, hexahydroazocine, diazocane or hexahydrodiazocine.

8. The method of claim 4 , wherein the compound has a formula IIa

or a salt thereof, wherein:

each R 1 independently is, for each occurrence, H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, CO 2 —C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 cycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a

each R a independently is C 1-6 alkyl;

each R b independently is, for each occurrence, ═O, —OR a , haloC 1-3 alkyloxy, —SR a , —N(R c ) 2 , halo, —CF 3 , —CN, —S(O) 2 N(R c ) 2 , —S(O) 2 R a , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —N(R a )—S(O) 2 H, or —C(R a ) 2 —N(R c ) 2 ; and

Z 1 is CH, CR 2 , C-halo or C-optionally substituted C 1-6 alkyl, or N.

9. The method of claim 4 , wherein the compound has a formula IIb

or a salt thereof, wherein:

each R 1 independently is, for each occurrence, H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, CO 2 —C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 cycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a

each R a independently is C 1-6 alkyl;

each R b independently is, for each occurrence, ═O, —OR a , haloC 1-3 alkyloxy, —SR a , —N(R C ) 2 , halo, —CF 3 , —CN, —S(O) 2 N(R c ) 2 , —S(O) 2 R a , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —N(R a )—S(O) 2 H, or —C(R a ) 2 —N(R c ) 2 ; and

Z 1 is CH, CR 2 , C-halo or C-optionally substituted C 1-6 alkyl, or N.

10. The method of claim 4 , wherein the compound has a formula IIc

or a salt thereof, wherein:

each R 1 independently is, for each occurrence, H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, CO 2 —C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 cycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a

each R a independently is C 1-6 alkyl;

each R b is independently is, for each occurrence, ═O, —OR a , haloC 1-3 alkyloxy, —SR a , —N(R c ) 2 , halo, —CF 3 , —CN, —S(O) 2 N(R c ) 2 , —S(O) 2 R a , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —N(R a )—S(O) 2 H, or —C(R a ) 2 —N(R c ) 2 ; and

Z 1 is CH, CR 2 , C-halo or C-optionally substituted C 1-6 alkyl, or N.

11. The method of claim 4 , wherein the compound has a formula IId

or a salt thereof, wherein:

each R 1 independently is, for each occurrence, H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, C02-C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 scycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a

each R a independently is C 1-6 alkyl;

each R b independently is, for each occurrence, ═O, —OR a , haloC 1-3 alkyloxy, —SR a , —N(R c ) 2 , halo, —CF 3 , —CN, —S(O) 2 N(R c ) 2 , —S(O) 2 R a , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —N(R a )—S(O) 2 H, or —C(R a ) 2 —N(R c ) 2 ; and

Z 1 is CH, CR 2 , C-halo or C-optionally substituted C 1-6 alkyl, or N.

12. The method of claim 4 , wherein the compound has a formula IIe

or a salt thereof, wherein:

each R 1 independently is, for each occurrence, H, optionally substituted C 1-6 alkyl, C(O)—C 1-6 alkyl, CO 2 —C 1-6 alkyl or R 50 ;

each R 50 is —C(R 9 ) 2 -A-R 10 , where A is O or S; each R 9 is independently for each occurrence H, optionally substituted C 1-6 alkyl, optionally substituted C 6-10 aryl or optionally substituted C 7-16 arylalkyl; or alternatively, two R 9 , together with the carbon to which they are attached, form an optionally substituted C 3-8 cycloalkyl group or an optionally substituted 3-8 membered heteroalicyclyl; R 10 is R a or —P(O)(OR 11 ) 2 ; each R 11 is independently for each occurrence R a or a monovalent cationic group; or two R 11 , together with the atoms to which they are attached, form a 4-8 membered cyclic phosphate group, or two R 11 together represent a divalent cationic group

R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, nitro, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a

each R a independently is C 1-6 alkyl;

each R b independently is, for each occurrence, ═O, —OR a , haloC 1-3 alkyloxy, —SR a , —N(R c ) 2 halo, —CF 3 , —CN, —S(O) 2 N(R c ) 2 , —S(O) 2 R a , —C(O)R a , —CO 2 R a , —C(O)N(R c ) 2 , —N(R a )—S(O) 2 H, or —C(R a ) 2 —N(R c ) 2 ; and

Z 1 is CH, CR 2 , C-halo or C-optionally substituted C 1-6 alkyl, or N.

13. The method according to claim 4 wherein the bowel disorder is irritable bowel syndrome.

14. The compound according to claim 4 wherein X is O, S, S(O), or SO 2 .

15. The method according to claim 4 wherein R 5 is halo, —CN, optionally substituted C 1-6 alkyl, alkynyl, hydroxy, optionally substituted C 1-6 alkoxy, —N(R a ) 2 , —C(O)N(R a ) 2 , —CO 2 R a or —C(O)R a .

Assignments (4)
SECURITY INTEREST Recorded May 8, 2026
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FUNDING IV TRUST
Reel/Frame 075576/0880 →
SECURITY INTEREST Recorded Aug 25, 2022
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FINANCIAL TRUST
Reel/Frame 061327/0712 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 7, 2018
From: LI, HUI; HECKRODT, THILO J.; CHEN, YAN; MCMURTRIE, DARREN JOHN; TAYLOR, VANESSA; SINGH, RAJINDER; DING, PINGYU; THOTA, SAMBAIAH; YEN, ROSE
To: RIGEL PHARMACEUTICALS, INC.
Reel/Frame 046812/0305 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 7, 2018
From: LI, HUI; HECKRODT, THILO J.; CHEN, YAN; MCMURTRIE, DARREN JOHN; TAYLOR, VANESSA; SINGH, RAJINDER; DING, PINGYU; THOTA, SAMBAIAH; YEN, ROSE
To: RIGEL PHARMACEUTICALS, INC.
Reel/Frame 046812/0314 →
Continuity (9)
Continuation 15419660 · Jan 30, 2017
Continuation 14793506 · Jul 7, 2015
Continuation 14250329 · Apr 10, 2014
Continuation 14023158 · Sep 10, 2013
Continuation 13283471 · Oct 27, 2011
Continuation 12692493 · Jan 22, 2010
Provisional Application 61241630 · Sep 11, 2009
Provisional Application 61147059 · Jan 23, 2009
Related Publication 20180265503A1 · Sep 20, 2018