Compositions and methods for modulating farnesoid X receptors
The present invention relates to compounds of Formula I, a stereoisomer, enantiomer, a pharmaceutically acceptable salt or an amino acid conjugate thereof; wherein variables are as defined herein; and their pharmaceutical compositions, which are useful as modulators of the activity of Farnesoid X receptors (FXR).
1. A method for preparing 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine monohydrate, comprising contacting 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid in a solvent with meglumine in water solution under suitable conditions, thereby providing 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine monohydrate.
2. The method of claim 1 , comprising adding said meglumine in water solution to a suspension of said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid in acetone.
3. The method of claim 1 , wherein said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine monohydrate has a dehydration point at about 71° C. by differential scanning calorimetry.
4. The method of claim 1 , further comprising heating said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine monohydrate at a temperature ranging from 60-90° C. under suitable conditions, thereby providing a 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt.
5. The method of claim 4 , comprising heating said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine monohydrate at about 80° C.
6. The method of claim 5 , wherein said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt has a melting point of about 167.5° C. by differential scanning calorimetry.
7. The method of claim 5 , wherein said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt is anhydrous.
8. The method of claim 1 , further comprising adding said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine monohydrate to acetone in water solution; and heating reaction mixture at a temperature of about 50° C. under suitable conditions, thereby providing a 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt.
9. The method of claim 8 , wherein said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt has a dehydration point at about 61° C. by differential scanning calorimetry.
10. A method for preparing 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt, comprising contacting 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid with meglumine under suitable conditions, thereby providing 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt.
11. The method of claim 10 , comprising adding 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid and meglumine to methanol thereby providing a suspension; and heating said suspension under suitable conditions.
12. The method of claim 11 , comprising heating said suspension at about 80° C.
13. The method of claim 10 , wherein said 4-((N-benzyl-8-chloro-1-methyl-1,4-dihydrochromeno[4,3-c]pyrazole-3-carboxamido)methyl)benzoic acid meglumine salt has a melting point of about 180.6° C. by differential scanning calorimetry.