COMPOSITIONS AND METHODS FOR INHIBITION OF THE JAK PATHWAY

• US 20070203162A1
• Filed: 02/23/2007
• Published: 08/30/2007
• Est. Priority Date: 02/24/2006
• Status: Active Grant

• Current Assignee: Rigel Pharmaceuticals, Inc.
• Original Assignee: Rigel Pharmaceuticals, Inc.
• Inventors: Thota, Sambaiah, Tso, Kin, Argade, Ankush, Carroll, David, Taylor, Vanessa, Bhamidipati, Somasekhar, Cooper, Robin, Sran, Arvinder, Li, Hui, Singh, Rajinder, Masuda, Esteban
• Granted Patent: US 8,962,643 B2
• Time in Patent Office: Days
• US Class Current: 514/275
• CPC Class Codes: A61K 31/505 Pyrimidines; Hydrogenated pyrimidines, e.g. trimethoprim
• CPC Class Codes: A61K 31/506 not condensed and containing further heterocyclic rings
• CPC Class Codes: A61K 45/06 Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca
• CPC Class Codes: A61P 11/06 Antiasthmatics
• CPC Class Codes: A61P 29/00 Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
• CPC Class Codes: A61P 35/02 specific for leukemia
• CPC Class Codes: A61P 37/06 Immunosuppressants, e.g. drugs for graft rejection
• CPC Class Codes: A61P 37/08 Antiallergic agents antiasthmatic agents A61P11/06; ophthalmic antiallergics A61P27/14
• CPC Class Codes: A61P 43/00 Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
• CPC Class Codes: C07D 239/48 Two nitrogen atoms
• CPC Class Codes: C07D 239/50 Three nitrogen atoms
• CPC Class Codes: C07D 401/12 linked by a chain containing hetero atoms as chain links
• CPC Class Codes: C07D 403/12 linked by a chain containing hetero atoms as chain links
• CPC Class Codes: C07D 409/12 linked by a chain containing hetero atoms as chain links
• CPC Class Codes: C07D 417/12 linked by a chain containing hetero atoms as chain links

Abstract

The invention encompasses compounds having formula I and the compositions and methods using these compounds in the treatment of conditions in which modulation of the JAK pathway or inhibition of JAK kinases, particularly JAK3, are therapeutically useful.

Claims

1. A compound of the formula I:

2. The compound of claim 1, wherein the compound is represented by formula II:

3. The compound of claim 2 wherein the compound is represented by formula III:

4. The compound of claim 3, wherein alk is C_1-2 alkyl.

5. The compound of claim 4, wherein X is halo, alkyl or haloalkyl.

6. The compound of claim 5, wherein p is 0, 1, or 2 and R² is halo.

7. The compound of claim 6, wherein q is 0, 1, or 2 and R³ is alkyl.

8. The compound of claim 7, wherein each of R⁶ and R⁷ independently is selected from the group consisting of hydrogen, alkyl, substituted alkyl, alkynyl, substituted alkynyl, acyl, and carboxyl ester;

or R⁶ and R⁷ together with the nitrogen atom bound thereto optionally form —

N═

C(OR⁹)₂ wherein each R⁹ is independently an alkyl group.

9. The compound of claim 8, wherein each of R⁶ and R⁷ is independently selected from the group consisting of hydrogen and acyl.

10. The compound of claim 3, wherein R⁴ and one of R² together with the intervening atoms bound thereto form a heterocyclic or a substituted heterocyclic.

11. The compound of claim 10, wherein the compound is represented by formula IVa:

12. The compound of claim 10, wherein the compound is represented by formula IVb:

13. A compound of claim 3, wherein the compound is selected from the group consisting of:

I-7 5-Fluoro-N4-[4-(cyclopropylsulfonylaminomethyl)phenyl]-N2-[3-(prop-2-ynylaminosulfonyl)phenyl]-2,4-pyrimidinediamine;

I-8 (N2-(4-aminosulfonyl)phenyl-N4-(4-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-9 N2-(3-aminosulfonyl)phenyl-N4-(4-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-10 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-11 N2-(4-aminosulfonyl)phenyl-N4-(3-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-12 N2-(3-aminosulfonyl)phenyl-N4-(3-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-13 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(3-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-14 N2-(4-aminosulfonyl)phenyl-N4-[4-(2-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-15 N2-(3-aminosulfonyl)phenyl-N4-[4-(2-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-16 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(2-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-17 N2-(4-aminosulfonyl)phenyl-N4-[4-(N-ethylsulfonyl-N-propylamino)methyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-18 N2-(3-aminosulfonyl)phenyl-N4-[4-(N-ethylsulfonyl-N-propylamino)methyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-19 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(N-ethylsulfonyl-N-propylamino)methyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-20 N2-(4-aminosulfonyl)phenyl-N4-(4-ethylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-21 N2-(3-aminosulfonyl)phenyl-N4-(4-ethylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-22 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-ethylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-23 N2-(4-aminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-24 N2-(3-aminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-25 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-26 N2-(4-aminosulfonyl)phenyl-N4-[4-(1S-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-27 N2-(3-aminosulfonyl)phenyl-N4-[4-(1S-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-28 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(1S-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-29 N2-(4-aminosulfonyl)phenyl-N4-[4-(1R-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-30 N2-(3-aminosulfonyl)phenyl-N4-[4-(1R-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-31 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(1R-ethylsulfonylamino)ethyl]phenyl-5-fluoro-2,4-pyrimidinediamine;

I-32 N2-(4-aminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-33 N2-(3-aminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-34 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-35 N2-(4-aminosulfonyl)phenyl-5-fluoro-N4-[4-(thiophen-2-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-36 N2-(3-aminosulfonyl)phenyl-5-fluoro-N4-[4-(thiophen-2-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-37 N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-N4-[4-(thiophen-2-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-38 N2-(4-aminosulfonyl)phenyl-N4-[4-(2-ethylsulfonylamino)ethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-39 N2-(3-aminosulfonyl)phenyl-N4-[4-(2-ethylsulfonylamino)ethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-40 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(2-ethylsulfonylamino)ethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-41 N4-[4-(2-amino-4-methylthiazol-5-yl)sulfonylaminomethyl]phenyl-N2-(3-aminosulfonyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-42 N4-[4-(2-acetylamino-4-methylthiazol-5-yl)sulfonylaminomethyl]phenyl-N2-(3-aminosulfonyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-43 N4-[4-(2-amino-4-methylthiazol-5-yl)sulfonylaminomethyl]phenyl-N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-44 N4-[4-(2-acetylamino-4-methylthiazol-5-yl)sulfonylaminomethyl]phenyl-N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-45 N2-(4-aminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-46 N2-(3-aminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-47 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-48 N2-(4-aminosulfonyl)phenyl-5-fluoro-N4-(4-trifluoroethylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-49 N2-(3-aminosulfonyl)phenyl-5-fluoro-N4-(4-trifluoroethylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-50 N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-N4-(4-trifluoroethylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-51 N2-(3-aminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-52 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-53 N2-(4-aminosulfonyl)phenyl-N4-[4-(2-cyclopropylsulfonylamino)ethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-54 N2-(3-aminosulfonyl)phenyl-N4-[4-(2-cyclopropylsulfonylamino)ethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-55 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(2-cyclopropylsulfonylamino)ethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-56 N2-(4-aminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-57 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-58 N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-fluoro-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-59 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-N2-(4-methyl-3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-60 N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-fluoro-N2-(4-methyl-3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-61 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-62 N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-fluoro-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-63 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-fluoro-N2-(4-methyl-3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-64 N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-fluoro-N2-(4-methyl-3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-65 N2-(4-aminosulfonyl)phenyl-5-fluoro-N4-(4-isopropylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-66 N2-(3-aminosulfonyl)phenyl-5-fluoro-N4-(4-isopropylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-67 N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-N4-(4-isopropylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-68 N2-(4-aminosulfonyl)phenyl-N4-(4-cyclopentylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-69 N2-(3-aminosulfonyl)phenyl-N4-(4-cyclopentylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-70 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-cyclopentylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-71 N2-(4-aminosulfonyl)phenyl-N4-(4-cyclohexylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-72 N2-(3-aminosulfonyl)phenyl-N4-(4-cyclohexylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-73 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-cyclohexylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-74 N2-(4-aminosulfonyl)phenyl-N4-(3-chloro-4-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-75 N2-(3-aminosulfonyl)phenyl-N4-(3-chloro-4-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-76 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(3-chloro-4-ethylsulfonylaminomethyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-77 N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(4-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-78 N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(4-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-79 N2-(4-aminosulfonyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-propylamino)methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-80 N2-(3-aminosulfonyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-propylamino)methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-81 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-propylamino)methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-82 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(3,5-diaminosulfonyl)phenyl-5-fluoro-2,4-pyrimidinediamine;

I-83 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-84 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(3,5-diaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-85 N2-(4-aminosulfonyl)phenyl-5-fluoro-N4-[4-(methylsulfonylmethylsulfonylamino)methyl]phenyl-2,4-pyrimidinediamine;

I-86 N2-(3-aminosulfonyl)phenyl-5-fluoro-N4-[4-(methylsulfonylmethylsulfonylamino)methyl]phenyl-2,4-pyrimidinediamine;

I-87 N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-N4-[4-(methylsulfonylmethylsulfonylamino)methyl]phenyl-2,4-pyrimidinediamine;

I-88 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-89 N2-(4-aminosulfonyl)phenyl-5-fluoro-N4-[4-(pyrid-3-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-90 N2-(3-aminosulfonyl-4-methyl)phenyl-5-fluoro-N4-[4-(pyrid-3-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-91 N4-[4-(N-ethylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(4-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-92 N4-[4-(N-ethylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(4-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-93 N4-[3-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-94 N4-[3-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-95 N2-(3-aminosulfonyl)phenyl-5-fluoro-N4-[4-(pyrid-3-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-96 N2-(4-aminosulfonyl)phenyl-5-methyl-N4-(4-trifluoroethylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-97 N2-(3-aminosulfonyl)phenyl-5-methyl-N4-(4-trifluoroethylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-98 N2-(3-aminosulfonyl-4-methyl)phenyl-5-methyl-N4-(4-trifluoroethylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-99 N2-(4-aminosulfonyl)phenyl-5-methyl-N4-[4-(pyrid-3-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-100 N2-(3-aminosulfonyl)phenyl-5-methyl-N4-[4-(pyrid-3-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine,

I-101 N2-(3-aminosulfonyl-4-methyl)phenyl-5-methyl-N4-[4-(pyrid-3-yl)sulfonylaminomethyl]phenyl-2,4-pyrimidinediamine;

I-140 N2-{3-N-[2-(t-butoxycarbonylamino)-1-oxoethyl]aminosulfonyl}phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-141 N2-{3-N-[2-(t-butoxycarbonylamino)-1-oxoethyl]aminosulfonyl}phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-142 N2-{3-N-[2-(benzoxycarbonylamino)-1-oxoethyl]aminosulfonyl}phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-143 N2-{3-N-[2-(benzoxycarbonylamino)-1-oxoethyl]aminosulfonyl}phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-136 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-116 N2-(3-aminosulfonyl)phenyl-N4-[3-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-137 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt;

I-123 N2-(4-aminosulfonyl)phenyl-N4-(4-isopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-118 N2-(3-aminosulfonyl)phenyl-N4-(4-isopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-117 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(4-isopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-131 N2-[3-N-(2-amino-1-oxoethyl)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-133 N2-[3-N-(2-amino-1-oxoethyl)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine hydrogen chloride salt;

I-129 N2-(4-aminosulfonyl)phenyl-N4-(3-chloro-4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-119 N2-(3-aminosulfonyl)phenyl-N4-(3-chloro-4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-125 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-(3-chloro-4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-127 N2-(4-aminosulfonyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-methyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-121 N2-(3-aminosulfonyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-methyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-126 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-methyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-124 N2-(4-aminosulfonyl)phenyl-N4-[3-(N-cyclopropylsulfonyl-N-methyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-120 N2-(3-aminosulfonyl)phenyl-N4-[3-(N-cyclopropylsulfonyl-N-methyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-122 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[3-(N-cyclopropylsulfonyl-N-methyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-139 N2-[3-N-(Cbz-L-Phe)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-144 N2-[3-N-(Cbz-L-Val)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-135 N2-[3-N-(Cbz-L-Phe)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-134 N2-[3-N-(L-Phe)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-132 N2-[3-N-(L-Phe)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine hydrogen chloride salt;

I-138 N2-[3-N-(L-Val)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-148 N2-[3-N-(Boc-cycloleucine)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-146 N2-[3-N-(L-Val)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine hydrogen chloride salt;

I-145 N2-[3-N-(cycloleucine)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine hydrogen chloride salt;

I-147 N2-[3-N-(Cbz-L-Val)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-130 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(N-ethoxycarbonyl-N-ethyl)aminosulfonyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-128 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(diethoxy)carbonimidylsulfonyl]phenyl-5-methyl-2,4-pyrimidinediamine;

II-1 N2-(4-aminosulfonyl)phenyl-N4-[(N-cyclopropylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-6-yl]-5-methyl-2,4-pyrimidinediamine;

II-2 N2-(3-aminosulfonyl)phenyl-N4-[(N-cyclopropylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-6-yl]-5-methyl-2,4-pyrimidinediamine;

II-3 N2-(3-aminosulfonyl-4-methyl)phenyl-N4-[(N-cyclopropylsulfonyl)-1,2,3,4-tetrahydroisoquinolin-6-yl]-5-methyl-2,4-pyrimidinediamine;

I-115 N2-(4-aminosulfonyl)phenyl-5-chloro-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-114 N2-(3-aminosulfonyl)phenyl-5-chloro-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

I-113 N2-(3-aminosulfonyl-4-methyl)phenyl-5-chloro-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-2,4-pyrimidinediamine;

II-4 N2-(3-Aminosulfonyl-4-methylphenyl)-N4-[(2-cyclopropylsulfonyl)-isoindolin-5-yl]-5-fluoro-2,4-pyrimidinediamine;

II-5 N2-(3-Aminosulfonyl-phenyl)-N4-[(2-cyclopropylsulfonyl)-isoindolin-5-yl]-5-fluoro-2,4-pyrimidinediamine;

II-6 N2-(4-Aminosulfonyl-phenyl)-N4-[(2-cyclopropylsulfonyl)-isoindolin-5-yl]-5-fluoro-2,4-pyrimidinediamine;

II-7 N2-(3-Aminosulfonyl-4-methylphenyl)-N4-[(2-cyclopropylsulfonyl)-isoindolin-5-yl]-5-methyl-2,4-pyrimidinediamine;

II-8 N2-(3-Aminosulfonyl-phenyl)-N4-[(2-cyclopropylsulfonyl)-isoindolin-5-yl]-5-methyl-2,4-pyrimidinediamine;

II-9 N2-(4-Aminosulfonyl-phenyl)-N4-[(2-cyclopropylsulfonyl)-isoindolin-5-yl]-5-methyl-2,4-pyrimidinediamine;

I-149 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-phenylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-150 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-phenylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-151 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[4-(1-methylpiperidin-4-yl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-152 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[3-(1-methylpiperidin-4-yl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-153 N2-(4-benzylaminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-154 N2-(3-benzylaminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-155 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-phenylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-156 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-phenylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-157 N2-(4-benzylaminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-158 N2-(3-benzylaminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-159 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[4-(1-methylpiperidin-4-yl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-160 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[3-(1-methylpiperidin-4-yl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-161 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-methylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-162 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-methylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-163 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-164 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-propargylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-165 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-propargylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-166 N2-(4-cyclopentylaminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine

I-167 N2-(4-aminosulfonyl)phenyl-N4-[4-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-168 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[4-(4-pyridylmethyl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-169 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[3-(4-pyridylmethyl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-170 N2-(3-cyclopentylaminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-171 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[4-(3-pyridyl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-172 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(4-isopropylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-173 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-isopropylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-174 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-[3-(3-pyridyl)aminosulfonyl]phenyl-2,4-pyrimidinediamine;

I-175 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(4-ethylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-176 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-ethylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-177 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-propylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-178 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(3-propylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-179 N2-(4-cyclopropylmethylaminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-180 N2-(3-cyclopropylmethylaminosulfonyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-181 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-[4-(3-methoxypropyl)aminosulfonyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-182 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(3-methoxypropyl)aminosulfonyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-183 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-[4-(2-methoxyethyl)aminosulfonyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-184 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(2-methoxyethyl)aminosulfonyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-185 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-methylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-186 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-ethylaminosulfonyl-4-methyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-187 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-propylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-188 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-propargylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-189 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-isopropylaminosulfonyl-4-methyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-190 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(2-methoxyethyl)aminosulfonyl-4-methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-191 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(3-methoxypropyl)aminosulfonyl-4-methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-192 N2-(3-cyclopropylmethylaminosulfonyl-4-methyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-193 N2-(3-acetamidosulfonyl)phenyl-N4-[3-(N-acetyl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-194 N2-(4-acetamidosulfonyl)phenyl-N4-[4-(N-acetyl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-195 N2-(3-benzylaminosulfonyl-4-methyl)phenyl-N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-196 N2-(3-acetamidosulfonyl)phenyl-N4-[3-(N-acetyl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-197 N2-(4-acetamidosulfonyl)phenyl-N4-[4-(N-acetyl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-198 N4-[3-(N-cyclopropylsulfonyl-N-isobutyryl)aminomethyl]phenyl-N2-(3-isobutyrylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-199 N4-[4-(N-cyclopropylsulfonyl-N-isobutyryl)aminomethyl]phenyl-N2-(4-isobutyrylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-200 N4-[3-(N-cyclopropylsulfonyl-N-isobutyryl)aminomethyl]phenyl-N2-(3-isobutyrylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-201 N4-[4-(N-cyclopropylsulfonyl-N-isobutyryl)aminomethyl]phenyl-N2-(4-isobutyrylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-202 N4-(4-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-phenylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-203 N2-(3-butyrylaminosulfonyl)phenyl-N4-[3-(N-butyryl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-204 N2-(4-butyrylaminosulfonyl)phenyl-N4-[4-(N-butyryl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-205 N2-(3-butyrylaminosulfonyl)phenyl-N4-[3-(N-butyryl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-206 N2-(4-butyrylaminosulfonyl)phenyl-N4-[4-(N-butyryl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-207 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-208 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-ethylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-209 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-isopropylaminosulfonyl-4-methyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-210 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(2-methoxyethyl)aminosulfonyl-4-methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-211 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-methylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-212 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-(4-ethylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-213 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-(3-ethylaminosulfonyl-4-methyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-214 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-propargylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-215 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-N2-(4-methyl-3-propylaminosulfonyl)phenyl-2,4-pyrimidinediamine;

I-216 N2-(3-cyclopropylmethylaminosulfonyl-4-methyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-217 N4-(3-cyclopropylsulfonylaminomethyl)phenyl-N2-[3-(3-methoxypropyl)aminosulfonyl-4-methyl]phenyl-5-methyl-2,4-pyrimidinediamine;

I-218 N4-[3-(N-cyclopropylsulfonyl-N-hexanoyl)aminomethyl]phenyl-N2-(3-hexanoylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine;

I-219 N4-[3-(N-cyclopropylsulfonyl-N-hexanoyl)aminomethyl]phenyl-N2-(3-hexanoylaminosulfonyl)phenyl-5-methyl-2,4-pyrimidinediamine sodium salt;

I-220 N4-[3-(N-cyclopropylsulfonyl-N-valeryl)aminomethyl]phenyl-5-methyl-N2-(3-valerylaminosulfonyl)phenyl-2,4-pyrimidinediamine; and

I-221 N4-[3-(N-cyclopropylsulfonyl-N-valeryl)aminomethyl]phenyl-5-methyl-N2-(3-valerylaminosulfonyl)phenyl-2,4-pyrimidinediamine sodium salt.

I-222;

N2-(3-butyrylaminosulfonyl)phenyl-N4-[3-(N-butyryl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine Choline salt

I-223;

N2-(3-butyrylaminosulfonyl)phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine

I-224;

N2-(3-aminosulfonyl)phenyl-N4-[3-(N-butyryl-N-cyclopropylsulfonyl)aminomethyl]phenyl-5-methyl-2,4-pyrimidinediamine

I-225;

N2-[3-(N-acetoxymethyl-N-butyryl)aminosulfonyl]phenyl-N4-(3-cyclopropylsulfonylaminomethyl)phenyl-5-methyl-2,4-pyrimidinediamine

I-226;

N4-[3-(N-cyclopropylsulfonyl-N-propionyl)aminomethyl]phenyl-5-methyl-N2-(3-propionylaminosulfonyl)phenyl-2,4-pyrimidinediamine Choline salt

14. The compound of claim 2 wherein the compound is represented by formula V:

15. The compound of claim 14, wherein X is halo.

16. The compound of claim 15, wherein X is fluoro.

17. The compound of claim 16, wherein p is 0 and q is 0 or 1.

18. The compound of claim 17, wherein q is 1 or 2 and R³ is alkyl.

19. The compound of claim 16, wherein alk is —

CH₂— and

each of R⁴ and R⁵ independently is selected from the group consisting of hydrogen, alkyl, alkynyl, cycloalkyl and heterocyclic.

20. A compound of claim 14, wherein the compound is selected from the group consisting of:

I-1 N4-(4-Aminosulfonylmethylenephenyl)-N²-(3-aminosulfonyl-4-methyl-phenyl)-5-fluoro-2,4-pyrimidinediamine;

I-2 N2-(4-Aminosulfonylphenyl)-5-fluoro-N4-[3-(prop-2-ynylaminosulfonylmethyl)phenyl]-2,4-pyrimidinediamine,

I-3 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[3-(prop-2-ynylaminosulfonylmethyl)phenyl]-2,4-pyrimidinediamine;

I-4 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[4-(prop-2-ynylaminosulfonylmethyl)phenyl]-2,4-pyrimidinediamine;

I-5 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[4-(prop-2-ynylaminosulfonylmethyl)phenyl]-2,4-pyrimidinediamine;

I-6 N2-(4-Aminosulfonylphenyl)-5-fluoro-N4-[4-(prop-2-ynylaminosulfonylmethyl)phenyl]-2,4-pyrimidinediamine,

I-102 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[3-(N-methylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-103 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[3-(N-methylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-104 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[3-(N,N-dimethylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-105 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[3-(N,N-dimethylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-106 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[4-(N-methylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-107 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[3-(1-methylpiperdin-4-ylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-108 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[3-(1-methylpiperdin-4-ylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-109 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[4-(N-methylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-110 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[4-(N,N-dimethylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine;

I-111 N2-(3-Aminosulfonylphenyl)-5-fluoro-N4-[3-(N-cyclopropylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine; and

I-112 N2-(3-Aminosulfonyl-4-methylphenyl)-5-fluoro-N4-[3-(N-cyclopropylaminosulfonylmethylene)phenyl]-2,4-pyrimidinediamine.

21. A method of inhibiting an activity of a JAK kinase, comprising contacting the JAK kinase with an amount of a compound effective to inhibit an activity of the JAK kinase wherein the compound is as in any one of claims 1, 13, and 20.

22. A method of inhibiting an activity of a JAK kinase, comprising contacting in vitro a JAK3 kinase with an amount of a compound effective to inhibit an activity of the JAK kinase wherein the compound is as in any one of claims 1, 13, and 20.

23. A method of treating a T-cell mediated autoimmune disease, comprising administering to a patient suffering from such an autoimmune disease an amount of a compound effective to treat the autoimmune disease wherein the compound is as in any one of claims 1, 13, and 20.

24. The method of claim 23 in which the compound is administered in combination with, or adjunctively to, a compound that inhibits Syk kinase with an IC₅₀ in the range of at least 10 μ

M.

25. A method of treating or preventing allograft transplant rejection in a transplant recipient, comprising administering to the transplant recipient an amount of a compound effective to treat or prevent the rejection wherein the compound is as in any one of claims 1, 13, and 20.

26. The method of claim 25, wherein the compound is administered to a tissue or an organ prior to transplanting the tissue or organ in the transplant recipient

27. The method of claim 25 in which the rejection is acute rejection.

28. The method of claim 25 in which the rejection is chronic rejection.

29. The method of claim 25 in which the rejection is mediated by HVGR or GVHR.

30. The method of claim 25 in which the allograft transplant is selected from a kidney, a heart, a liver and a lung.

31. The method of claim 25 in which the compound is administered in combination with, or adjunctively to, another immunosuppressant.

32. The method of claim 31 in which the immunosuppressant is selected from cyclosporine, tacrolimus, sirolimus, an inhibitor of IMPDH, mycophenolate, mycophanolate mofetil, an anti-T-Cell antibody and OKT3.

33. A method of treating or preventing a Type IV hypersensitivity reaction, comprising administering to a subject an amount of a compound of effective to treat or prevent the hypersensitivity reaction wherein the compound is as in any one of claims 1, 13, and 20.

34. The method of claim 33 which is practical prophylactically, and the compound is as in any one of claims 1, 13, and 20.

35. A method of inhibiting a signal transduction cascade in which JAK3 kinase plays a role, comprising contacting a cell expressing a receptor involved in such a signaling cascade with a compound wherein the compound is as in any one of claims 1, 13, and 20.

36. A method of treating or preventing a JAK kinase-mediated disease, comprising administering to a subject an amount of compound effective to treat or prevent the JAK kinase-mediated disease wherein the compound is as in any one of claims 1, 13, and 20.

37. The method of claim 36 in which the JAK kinase-mediated disease is HVGR or GVHR.

38. The method of claim 36 in which the JAK kinase-mediated disease is acute allograft rejection.

39. The method of claim 36 in which the JAK kinase-mediated diseases is chronic allograft rejection.

40. A pharmaceutical formulation comprising a compound as in any one of claims 1, 13, and 20.

41. A kit comprising a compound as in any one of claims 1, 13, and 20 or a prodrug thereof, packaging and instructions for use.

42. A kit comprising the pharmaceutical formulation of claim 40, packaging, and instructions for use.