P
USRE48898EActiveUtilityPatentIndex 63

Prodrugs of 2,4-pyrimidinediamine compounds and their uses

Assignee: RIGEL PHARMACEUTICALS INCPriority: Nov 21, 2006Filed: Mar 4, 2019Granted: Jan 25, 2022
Est. expiryNov 21, 2026(~0.4 yrs left)· nominal 20-yr term from priority
Inventors:BHAMIDIPATI SOMASEKHARSINGH RAJINDERSUN THOMASMASUDA ESTEBAN
A61P 21/04A61P 17/00C07D 498/04A61P 15/08A61K 31/675A61P 5/16A61P 37/08A61P 43/00A61P 31/14A61P 7/06A61P 37/02A61P 19/04C07F 9/6561A61P 1/04A61P 37/00A61P 9/00A61P 13/12A61P 29/00A61P 19/08A61P 27/02A61P 19/02A61P 7/00A61K 9/0053A61P 1/16A61P 17/02A61P 25/00
63
PatentIndex Score
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Cited by
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References
11
Claims

Abstract

The present disclosure provides prodrugs of biologically active 2,4-pyrimidinediamine compounds, salts and hydrates of the prodrugs, compositions comprising the prodrugs, intermediates and methods for synthesizing the prodrugs and methods of using the prodrugs in a variety of applications.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
       1. An oral dosage formulation comprising a hydrate of the prodrug salt: 
       
         
           
           
               
               
           
         
         orand a pharmaceutically-acceptable carrier, excipient, and/or diluent; wherein:
 M is Na;   the prodrug salt hydrate present in the oral dosage formulation is substantially crystalline prodrug salt hydrate; and the powder X-ray diffraction data of the crystalline prodrug salt hydrate comprises a characteristic peak at a two theta value of 9.9±0.1° in response to radiation of wavelength 1.54059 Å.   
       
     
     
       2. The oral dosage formulation of  claim 1 , the formulation comprising from about 50 mg to about 400 mg of the crystalline prodrug salt hydrate. 
     
     
       3. The oral dosage formulation of  claim 1 , wherein the powder X-ray diffraction data of the crystalline prodrug salt hydrate comprises a characteristic peak at a two theta value of 11.8±0.1°. 
     
     
       4. The oral dosage formulation of  claim 1 , wherein the powder X-ray diffraction data of the crystalline prodrug salt hydrate comprises a characteristic peak at a two theta value of 21.8±0.1°. 
     
     
       5. The oral dosage formulation of  claim 1 , wherein the powder X-ray diffraction data of the crystalline prodrug salt hydrate comprises a characteristic peak at a two theta value of 13.2°±0.1°. 
     
     
       6. The oral dosage formulation of  claim 1 , wherein the hydrate of the prodrug salt has the formula: 
       
         
           
           
               
               
           
         
         wherein x is from about 1 to about 15. 
       
     
     
       7. The oral dosage formulation of  claim 6 , wherein x is from about 5 to about 10. 
     
     
       8. The oral dosage formulation of  claim 6 , wherein x is from about 5 to about 8. 
     
     
       9. The oral dosage formulation of  claim 6 , wherein x is 6. 
     
     
       10. The oral dosage formulation of  claim 8 , wherein the powder X-ray diffraction data of the crystalline prodrug salt hydrate comprises a characteristic peak at a two theta value of 3.4°±0.1°. 
     
     
       11. The oral dosage formulation of  claim 1 , wherein the hydrate is:

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