Chem. J. Chinese Universities ›› 2025, Vol. 46 ›› Issue (12): 20250186.doi: 10.7503/cjcu20250186
• Organic Chemistry • Previous Articles Next Articles
WANG Yixuan1, LIU Qi2, ZHOU Lei1, CAI Baoli3, WANG Xuezhong1, HE Yunliang1(
)
Received:2025-07-07
Online:2025-12-10
Published:2025-08-05
Contact:
HE Yunliang
E-mail:heyunliang@bipt.edu.cn
Supported by:CLC Number:
TrendMD:
WANG Yixuan, LIU Qi, ZHOU Lei, CAI Baoli, WANG Xuezhong, HE Yunliang. Study on Solvates and Polymorphs of Mometasone Furoate[J]. Chem. J. Chinese Universities, 2025, 46(12): 20250186.
| No. | Solvent | Temp./℃ | Form |
|---|---|---|---|
| 1 | Acetone, MeOH, EtOH, THF, EA, DCM | 25±5 | Form 1 |
| 2 | Acetone, MeOH, EtOH, THF with water | 25±5 | H |
| 3 | ACN | ≤25 | SACN |
| 4 | Acetone | ≤2 | SBT |
| 5 | MeOH | ≤2 | SMeOH |
| 6 | THF | ≤2 | STHF |
| 7 | EA | ≤2 | SEA |
| 8 | DCM | ≤2 | SDCM |
Table 1 Methods for preparing MF crystal forms
| No. | Solvent | Temp./℃ | Form |
|---|---|---|---|
| 1 | Acetone, MeOH, EtOH, THF, EA, DCM | 25±5 | Form 1 |
| 2 | Acetone, MeOH, EtOH, THF with water | 25±5 | H |
| 3 | ACN | ≤25 | SACN |
| 4 | Acetone | ≤2 | SBT |
| 5 | MeOH | ≤2 | SMeOH |
| 6 | THF | ≤2 | STHF |
| 7 | EA | ≤2 | SEA |
| 8 | DCM | ≤2 | SDCM |
| Solvate | SDCM | SACN | SEA | STHF | SBT | SMe |
|---|---|---|---|---|---|---|
| ΔMexp | 10.4% | 5.2% | 9.6% | 7.3% | 5.2% | 6.0% |
| ΔMtheory | 14.0% | 7.3% | 14.4% | 12.1% | 18.2% | 5.8% |
Table 2 Comparison of theoretical and experimental TGA weight loss for solvates
| Solvate | SDCM | SACN | SEA | STHF | SBT | SMe |
|---|---|---|---|---|---|---|
| ΔMexp | 10.4% | 5.2% | 9.6% | 7.3% | 5.2% | 6.0% |
| ΔMtheory | 14.0% | 7.3% | 14.4% | 12.1% | 18.2% | 5.8% |
| Solvent | Length/nm | Width/nm | Height/nm | Volume/nm3 | Solvent | Length/nm | Width/nm | Height/nm | Volume/nm3 |
|---|---|---|---|---|---|---|---|---|---|
| Water | 0.304 | 0.330 | 0.393 | 0.0286 | DCM | 0.420 | 0.453 | 0.648 | 0.0855 |
| MeOH | 0.418 | 0.424 | 0.468 | 0.0529 | Acetone | 0.416 | 0.538 | 0.671 | 0.0884 |
| ACN | 0.407 | 0.415 | 0.585 | 0.0642 | THF | 0.500 | 0.570 | 0.630 | 0.1043 |
| EtOH | 0.427 | 0.457 | 0.605 | 0.0769 | EA | 0.417 | 0.562 | 0.892 | 0.1258 |
Table 3 Molecular size and volume of common solvents
| Solvent | Length/nm | Width/nm | Height/nm | Volume/nm3 | Solvent | Length/nm | Width/nm | Height/nm | Volume/nm3 |
|---|---|---|---|---|---|---|---|---|---|
| Water | 0.304 | 0.330 | 0.393 | 0.0286 | DCM | 0.420 | 0.453 | 0.648 | 0.0855 |
| MeOH | 0.418 | 0.424 | 0.468 | 0.0529 | Acetone | 0.416 | 0.538 | 0.671 | 0.0884 |
| ACN | 0.407 | 0.415 | 0.585 | 0.0642 | THF | 0.500 | 0.570 | 0.630 | 0.1043 |
| EtOH | 0.427 | 0.457 | 0.605 | 0.0769 | EA | 0.417 | 0.562 | 0.892 | 0.1258 |
| Form | Form 1[ | SACN | SDCM | H[ |
|---|---|---|---|---|
| Type | Anhydrate | Solvate | Solvate | Hydrate |
| Formula | C27H30Cl2O6 | C27H30Cl2O6·(C2H3N) | C28H32Cl4O6 | C27H30Cl2O6·H2O |
| Space group | P212121(19) | P212121(19) | P21 | P1(1) |
| a/nm | 1.23414(7) | 0.79963(2) | 0.75185(6) | 0.73208(7) |
| b/nm | 1.35838(7) | 1.35239(3) | 2.54367(19) | 0.84767(8) |
| c/nm | 1.49376(8) | 2.48104(6) | 0.79846(5) | 1.18136(11) |
| α/(°) | 90 | 90 | 90 | 73.251(2) |
| β/(°) | 90 | 90 | 113.020(2) | 85.006(2) |
| γ/(°) | 90 | 90 | 90 | 69.344(2) |
| Volume/nm3 | 2.50419 | 2.68303 | 1.40542(18) | 0.65679 |
| Z, Z' | Z: 4, Z': 1 | Z: 4, Z': 1 | Z: 2, Z': 1 | Z: 1, Z': 1 |
Table 4 Comparative analysis of four crystal structures
| Form | Form 1[ | SACN | SDCM | H[ |
|---|---|---|---|---|
| Type | Anhydrate | Solvate | Solvate | Hydrate |
| Formula | C27H30Cl2O6 | C27H30Cl2O6·(C2H3N) | C28H32Cl4O6 | C27H30Cl2O6·H2O |
| Space group | P212121(19) | P212121(19) | P21 | P1(1) |
| a/nm | 1.23414(7) | 0.79963(2) | 0.75185(6) | 0.73208(7) |
| b/nm | 1.35838(7) | 1.35239(3) | 2.54367(19) | 0.84767(8) |
| c/nm | 1.49376(8) | 2.48104(6) | 0.79846(5) | 1.18136(11) |
| α/(°) | 90 | 90 | 90 | 73.251(2) |
| β/(°) | 90 | 90 | 113.020(2) | 85.006(2) |
| γ/(°) | 90 | 90 | 90 | 69.344(2) |
| Volume/nm3 | 2.50419 | 2.68303 | 1.40542(18) | 0.65679 |
| Z, Z' | Z: 4, Z': 1 | Z: 4, Z': 1 | Z: 2, Z': 1 | Z: 1, Z': 1 |
| Form | ∠O6—C24—C23—O3/(°) | ∠C24—C23—O3—C17/(°) | ∠C23—O3—C17—C13/(°) | ∠O3—C17—C20—C21/(°) |
|---|---|---|---|---|
| Form 1 | -176.23 | 171.32 | 162.99 | 45.18 |
| SACN | 6.88 | 172.173 | 161.31 | -137.34 |
| SDCM | 177.70 | -177.63 | 162.03 | 44.31 |
| H | 174.78 | 178.54 | 162.99 | 45.18 |
Table 5 Torsion comparison of conformers in Fig. 6
| Form | ∠O6—C24—C23—O3/(°) | ∠C24—C23—O3—C17/(°) | ∠C23—O3—C17—C13/(°) | ∠O3—C17—C20—C21/(°) |
|---|---|---|---|---|
| Form 1 | -176.23 | 171.32 | 162.99 | 45.18 |
| SACN | 6.88 | 172.173 | 161.31 | -137.34 |
| SDCM | 177.70 | -177.63 | 162.03 | 44.31 |
| H | 174.78 | 178.54 | 162.99 | 45.18 |
| Form | Form 1 | SACN | SDCM | H |
|---|---|---|---|---|
| Relative volume(%) | 100.00 | 107.14 | 112.25 | 104.91 |
| Void volume/nm3 | 0.803 | 0.801 | 0.881 | 0.864 |
| Void percentage(%) | 32.05 | 29.84 | 31.34 | 32.90 |
Table 6 Volume comparison of unit cell and void of four forms
| Form | Form 1 | SACN | SDCM | H |
|---|---|---|---|---|
| Relative volume(%) | 100.00 | 107.14 | 112.25 | 104.91 |
| Void volume/nm3 | 0.803 | 0.801 | 0.881 | 0.864 |
| Void percentage(%) | 32.05 | 29.84 | 31.34 | 32.90 |
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