IP Library › Granted Patent US 9,149,475
Granted Patent B2
US 9,149,475 · App. 13/718,632 · Granted Oct 6, 2015

Protein kinase C inhibitors and uses thereof

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Quick Facts
Patent No.
US 9,149,475
App. No.
13/718,632
Granted
Oct 6, 2015
Kind
B2
Abstract

This disclosure concerns compounds which are useful as inhibitors of protein kinase C (PKC) and are thus useful for treating a variety of diseases and disorders that are mediated or sustained through the activity of PKC. This disclosure also relates to pharmaceutical compositions comprising these compounds, methods of using these compounds in the treatment of various diseases and disorders, processes for preparing these compounds and intermediates useful in these processes.

Claims (322)

1. A method of inhibiting a protein kinase C (PKC) activity in a biological sample or a patient, which method comprises contacting the biological sample or administering to the patient a compound of formula (I):

wherein

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

2. The method of claim 1 , wherein the inhibition of PKC results in treatment of a disease or disorder that is mediated or sustained through the activity of a PKC activity.

3. The method of claim 2 , wherein the disease or disorder is associated with activation of T cells.

4. The method of claim 2 , wherein the disease or disorder is a cell proliferative disorder.

5. The method of claim 2 , wherein the disease or disorder is selected from hematopoietic neoplasm, lymphoid neoplasm, T cell neoplasm, T lymphoblastic leukemia, B cell neoplasm, B-lymphoblastic leukemia, Burkitt's lymphoma, myeloid neoplasm, myeloproferative disease, chronic myelogenous leukemia (CML), myelodysplastic disease, chronic myelomonocytic leukemia, myelodysplastic syndrome, and acute myeloid leukemia.

6. The method of claim 2 , wherein the disease or disorder is chronic myelogenous leukemia.

7. The method of claim 1 , wherein the compound is of the formula (Ia):

wherein

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

wherein at least one of R 7b and R 8 is —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

8. The method of claim 1 , wherein the compound is of the formula (Ib):

wherein:

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, cyano, fluoro, iodo, acyl, aminoacyl, and nitro;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

wherein at least one of R 7b and R 8 is —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl, provided that R 8 is not 4-morpholinyl, 3-pyridinyl, 4-pyridinyl, 1-pyrrolidinyl, and 1-pyrrolyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

9. The method of claim 1 , wherein the compound is of the formula (IIa):

wherein:

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, cyano, fluoro, iodo, acyl, aminoacyl, and nitro;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

wherein at least one of R 7b and R 8 is fluoro, difluoromethoxy, difluoromethyl, and trifluoromethyl; and

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

10. The method of claim 1 , wherein the compound is of the formula (IIb):

wherein:

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A; and

wherein at least one of R 7b and R 8 is selected from alkyl, substituted alkyl, C 2 -C 10 alkoxy, —O-alk-A, heterocyclyl, substituted heterocyclyl, heteroaryl, and substituted heteoaryl; provided that the heterocyclyl and heteroaryl are not 1-morpholinyl, 1-piperizinyl, or 1-pyrrolidinyl;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

11. The method of claim 1 , wherein the compound is of the formula (III):

wherein:

R 5 is selected from halogen, cyano, acyl, and aminoacyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and O − ;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alky or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

12. The method of claim 1 , wherein the compound is of the formula (Va):

wherein:

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is selected from 5-tetrazolyl and substituted 5-tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

13. The method of claim 1 , wherein the compound is of the formula (Vb):

wherein

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7b is selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

R 8 is selected from fluoro, trifluoromethyl, difluoromethoxy, hydroxyl, and isopropoxy;

R 7x is selected from alkyl, alkylthio, and substituted alkylthio;

R 7y is selected from hydrogen and alkyl;

the dashed line can be single bond or double bond;

or a salt or stereoisomer thereof.

14. The method of claim 1 , wherein the compound is of the formula (Vc):

wherein

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

R 7x is 2,2,2-trifluoroethylthio;

R 7y is selected from hydrogen and alkyl;

the dashed line can be single bond or double bond;

or a salt or stereoisomer thereof.

15. The method of claim 1 , wherein the compound is of the formula (Vd):

wherein

R 5 is —CONH 2 or cyano;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

R 7x is propyl;

R 7y is selected from hydrogen and alkyl;

the dashed line can be single bond or double bond;

or a salt or stereoisomer thereof.

16. The method of claim 1 , wherein the compound is of the formula (Vf):

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

R 7x is selected from alkyl, substituted alkyl, cycloalkyl, and substituted cycloalkyl;

or a salt or stereoisomer thereof.

17. The method of claim 1 , wherein the compound is of the formula (Vg):

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b is selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

R 8a is selected from hydrogen, alkyl, substituted alkyl, acyl, aminoacyl, and sulfonyl;

or a salt or stereoisomer thereof.

18. The method of claim 1 , wherein the compound is of the formula (Vh):

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b is selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

R 8a is selected from hydrogen, alkyl, substituted alkyl, acyl, aminoacyl, and sulfonyl;

or a salt or stereoisomer thereof.

19. The method of claim 1 , wherein the compound is of the formula (Vi):

wherein

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, and aminosulfonyl;

wherein at least one of R 7b and R 8 is cycloalkyl;

R 7x and R 7y are independently selected from hydrogen and alkyl;

the dashed line can be single bond or double bond;

or a salt or stereoisomer thereof.

20. The method of claim 1 , wherein the compound is of the formula (Vj):

wherein:

R 5 is selected from alkyl, substituted alkyl, hydroxy, alkoxy, substituted alkoxy, amino, substituted amino, carboxyl, carboxyl ester, cyano, halogen, acyl, aminoacyl, nitro, alkenyl, substituted alkenyl, alkynyl, and substituted alkynyl;

Y is selected from hydrogen and alkyl;

R 1 is selected from hydrogen, alkyl, substituted alkyl, cycloalkyl, acyl, and oxy radical;

R a and R b are independently selected from hydrogen and alkyl;

R c and R d are independently selected from hydrogen and alkyl;

Q is CR 7b ;

R 7a is tetrazolyl or substituted tetrazolyl;

R 7b and R 8 are independently selected from hydrogen, alkyl, substituted alkyl, halogen, cyano, hydroxyl, alkoxy, substituted alkoxy, amino, substituted amino, acylamino, aminocarbonyloxy, heteroaryl, substituted heteroaryl, heterocyclyl, substituted heterocyclyl, alkenyl, substituted alkenyl, alkynyl, substituted alkynyl, cycloalkyl, substituted cycloalkyl, aryl, substituted aryl, alkoxycarbonylamino, aminocarbonylamino, acyl, carboxyl, carboxyl ester, aminoacyl, sulfonyl, sulfonylamino, aminosulfonyl, and —O-alk-A;

wherein at least one of R 7b and R 8 is selected from cycloalkyl or —O—C 3-10 heterocyclyl group having one oxygen ring atom;

alk, if present, is alkyl or substituted alkyl;

A is selected from aryl, cycloalkyl, heteroaryl, and heterocyclyl;

wherein the A ring can be substituted or unsubstituted;

or a salt or stereoisomer thereof.

21. The method of claim 1 , wherein the compound is selected from

I-9: 5-fluoro-N2-(4-fluoro-3-(5-methyl-1H-tetrazol-1-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

I-10: 5-fluoro-N2-(4-fluoro-3-(5-methyl-1H-tetrazol-1-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

I-11: N4-(1-(cyclopropylmethyl)-2,2,6,6-tetramethylpiperidin-4-yl)-5-fluoro-N2-(4-fluoro-3-(5-methyl-1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

I-18: 4-(2,2,6,6-tetramethylpiperidin-4-ylamino)-2-(4-fluoro-3-(5-methyl-1H-tetrazol-1-yl)phenylamino)pyrimidine-5-carbonitrile

I-20: 5-fluoro-N2-(3-(5-methyl-1H-tetrazol-1-yl)-4-(trifluoromethoxy)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

I-21: 5-fluoro-N2-(3-(5-methyl-1H-tetrazol-1-yl)-4-(trifluoromethoxy)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

I-67: 5-aminocarbonyl-N2-[4-fluoro-3-(1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-68: 5-aminocarbonyl-N2-[4-ethoxy-3-(5-ethyl-1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-69: 5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-N2-{3-[5-(2,2,2-trifluoroethyl)thio]-1H-tetrazol-1-yl}phenyl-2,4-pyrimidinediamine

I-70: 5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-N2-{3-[5-(2,2,2-trifluoroethyl)thio]-1H-tetrazol-1-yl}phenyl-2,4-pyrimidinediamine

I-71: 5-aminocarbonyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-N2-{3-[5-(2,2,2-trifluoroethyl)thio]-1H-tetrazol-1-yl}phenyl-2,4-pyrimidinediamine

I-72: 5-aminocarbonyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-N2-{3-[5-(2,2,2-trifluoroethyl)thio]-1H-tetrazol-1-yl}phenyl-2,4-pyrimidinediamine

I-73: 5-cyano-N2-[4-fluoro-3-(1H-tetrazol-1-yl)]phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-74: 5-fluoro-N2-[4-methoxy-3-(5-propyl-1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-75: 5-aminocarbonyl-N2-[4-methoxy-3-(5-propyl-1H-tetrazol-1-yl)]phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-76: 5-aminocarbonyl-N2-[4-methoxy-3-(5-propyl-1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-77: 5-cyano-N2-[4-fluoro-3-(1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-78: 5-cyano-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-N2-{3-[5-(2,2,2-trifluoroethyl)thio]-1H-tetrazol-1-yl}phenyl-2,4-pyrimidinediamine

I-79: 5-cyano-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-N2-{3-[5-(2,2,2-trifluoroethyl)thio]-1H-tetrazol-1-yl}phenyl-2,4-pyrimidinediamine

I-80: 5-cyano-N2-[4-methoxy-3-(5-propyl-1H-tetrazol-1-yl)]phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-81: 5-cyano-N2-[4-methoxy-3-(5-propyl-1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-82: N2-[4-difluoromethoxy-3-(5-ethyl-1H-tetrazol-1-yl)]phenyl-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-83: 5-aminocarbonyl-N2-[4-difluoromethoxy-3-(5-ethyl-1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-84: 5-cyano-N2-[4-difluoromethoxy-3-(5-ethyl-1H-tetrazol-1-yl)]phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-85: 5-Cyano-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-N2-[3-(tetrazol-5-yl)]phenyl-2,4-pyrimidinediamine

I-86: 5-Fluoro-N2-{3-[1-N-isopropyl-(tetrazol-5-yl)]}phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-87: 5-Fluoro-N2-{3-[1-N-isopropyl-(tetrazol-5-yl)]}phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-88: 5-Cyano-N2-{3-[1-N-isopropyl-(tetrazol-5-yl)]}phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-89: N2-{3-[1-N-Cyclopropyl-(tetrazol-5-yl)]}phenyl-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-90: N2-{3-[1-N-Cyclopropyl-(tetrazol-5-yl)]}phenyl-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-91: N2-{3-[1-N-(2-Fluoroethyl)-(tetrazol-5-yl)]}phenyl-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-92: N2-{3-[1-N-(2-Fluoroethyl)-(tetrazol-5-yl)]}phenyl-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-94: 5-Cyano-N2-{3-[1-N-cyclopropyl-(tetrazol-5-yl)]}phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-95: 5-Cyano-N2-{3-[1-N-cyclopropyl-(tetrazol-5-yl)]}phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-96: 5-Cyano-N2-{3-[1-N-(2-fluoroethyl)-(tetrazol-5-yl)]}phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-97: 5-Cyano-N2-{3-[1-N-(2-fluoroethyl)-(tetrazol-5-yl)]}phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-98: 5-Fluoro-N2-{3-[1-N-(2-morpholinoethyl)-(tetrazol-5-yl)]}phenyl-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)-2,4-pyrimidinediamine

I-99: 5-Fluoro-N2-{3-[1-N-(2-morpholinoethyl)-(tetrazol-5-yl)]}phenyl-N4-(2,2,6,6-tetramethylpiperidin-4-yl)-2,4-pyrimidinediamine

III-1: 5-fluoro-N2-(4-(1-isopropylpiperidin-4-yloxy)-3-(5-methyl-1H-tetrazol-1-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-2: 5-fluoro-N2-(4-(1-isopropylpiperidin-4-yloxy)-3-(5-methyl-1H-tetrazol-1-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-5: N 2 -(3-(1H-tetrazol-1 yl)phenyl)-N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4yl)-5-fluoropyrimidine-2,4-diamine

III-6: N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4-yl)-5-fluoro-N 2 -(4-methyl-3-(1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

III-7: N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4-yl)-5-fluoro-N 2 -(3-methoxy-5-(1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

III-8: N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4-yl)-5-fluoro-N 2 -(3-(5-methyl-1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

III-9: N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4-yl)-5-fluoro-N 2 -(3-(5-(2,2,2-trifluoroethylthio)-1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

III-10: N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4-yl)-5-fluoro-N 2 -(3-(5-(methylthio)-1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

III-11: N 4 -(1-cyclopropyl-2,6-dimethylpiperidin-4-yl)-5-fluoro-N 2 -(4-fluoro-3-(1H-tetrazol-1-yl)phenyl)pyrimidine-2,4-diamine

III-63: 5-fluoro-N2-(4-methyl-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-64: 5-fluoro-N2-(4-methyl-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-67: N2-(4-(difluoromethoxy)-3-(5-ethyl-1H-tetrazol-1-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-68: N2-(3-(2H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-69: N2-(3-(2H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-70: 5-fluoro-N2-(3-(1-isopropyl-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-71: 5-fluoro-N2-(3-(1-isopropyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-72: N2-(3-(1-cyclopropyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-73: N2-(3-(1-cyclopropyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-74: 5-fluoro-N2-(3-(1-(2-fluoroethyl)-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-75: 5-fluoro-N2-(3-(1-(2-fluoroethyl)-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-76: 5-fluoro-N2-(3-(1-(2-morpholinoethyl)-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-77: 5-fluoro-N2-(3-(1-(2-morpholinoethyl)-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-113: 5-fluoro-N2-(4-methyl-3-(1H-tetrazol-1-yl)phenyl)-N4-(1-trideuteromethyl-2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-114: 5-fluoro-N2-(3-(1H-tetrazol-1-yl)phenyl)-N4-(1-trideuteromethyl-2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-115: 5-fluoro-N2-(3-(5-methyl-1H-tetrazol-1-yl)phenyl)-N4-(1-trideuteromethyl-2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-116: N 2 -(3-cyclopropyl-5-(1H-tetrazol-1-yl)phenyl)-5-fluoro-N 4 (2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-117: N 2 -(3-cyclopropyl-5-(1H-tetrazol-1-yl)phenyl)-5-fluoro-N 4 (1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-118: N 2 -(4-cyclopropyl-3-(1H-tetrazol-1-yl)phenyl)-5-fluoro-N 4 (2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-119: N 2 -(4-cyclopropyl-3-(1H-tetrazol-1-yl)phenyl)-5-fluoro-N 4 (1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-120: 5-fluoro-N2-(4-fluoro-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine;

III-121: 5-fluoro-N2-(4-fluoro-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-122: 5-fluoro-N2-(4-isopropoxy-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-123: 5-fluoro-N2-(4-isopropoxy-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-124: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-4-(tetrahydro-2H-pyran-4-yloxy)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-125: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-4-(tetrahydro-2H-pyran-4-yloxy)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-126: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-4-(oxetan-3-yloxy)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-127: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-4-(oxetan-3-yloxy)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-128: 5-fluoro-N2-(4-fluoro-3-(1-(2-methoxyethyl)-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-129: 5-fluoro-N2-(4-fluoro-3-(1-(2-methoxyethyl)-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-130: N2-(4-chloro-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-131: N2-(4-chloro-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-132: 5-fluoro-N2-(3-methyl-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-133: 5-fluoro-N2-(3-methyl-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-134: N2-(3-chloro-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-135: N2-(3-chloro-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-136: N2-(3,4-difluoro-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-137: N2-(3,4-difluoro-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-138: 5-fluoro-N2-(3-fluoro-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-139: 5-fluoro-N2-(3-fluoro-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-140: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-5-(trifluoromethyl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-141: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-5-(trifluoromethyl)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-142: 5-fluoro-N2-(3-fluoro-4-isopropoxy-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-143: 3-(5-fluoro-4-(2,2,6,6-tetramethylpiperidin-4-ylamino)pyrimidin-2-ylamino)-5-(1-methyl-1H-tetrazol-5-yl)benzonitrile

III-144: 3-(5-fluoro-4-(1,2,2,6,6-pentamethylpiperidin-4-ylamino)pyrimidin-2-ylamino)-5-(1-methyl-1H-tetrazol-5-yl)benzonitrile

III-145: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-5-(oxetan-3-yloxy)phenyl)-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-146: 5-fluoro-N2-(3-(1-methyl-1H-tetrazol-5-yl)-5-(oxetan-3-yloxy)phenyl)-N4-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-147: N2-(3-cyclopropyl-5-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

III-148: N2-(4-cyclopropyl-3-(1-methyl-1H-tetrazol-5-yl)phenyl)-5-fluoro-N4-(2,2,6,6-tetramethylpiperidin-4-yl)pyrimidine-2,4-diamine

or a solvate, prodrug, or a pharmaceutically acceptable salt thereof.

Assignments (2)
SECURITY INTEREST Recorded Aug 25, 2022
From: RIGEL PHARMACEUTICALS, INC.
To: MIDCAP FINANCIAL TRUST
Reel/Frame 061327/0712 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 13, 2013
From: SINGH, RAJINDER; LI, HUI; ZHAO, HAORAN; KOLLURI, RAO; TSO, KIN; RAMPHAL, JOHN; GU, SHIHAI; VALDEZ, CARLOS; ZHANG, JING; STAUFFER, EMILY; DUNCTON, MATTHEW; ALVAREZ, SALVADOR
To: RIGEL PHARMACEUTICALS, INC.
Reel/Frame 030607/0760 →