Prodrugs of 2,4-pyrimidinediamine compounds and their uses
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.
1. An oral dosage formulation comprising a hydrate of the prodrug salt:
or and 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: