Research Article
Measurement and Correlation for Solubility of Some Pyrimidine Derivatives in Different Solvents
Table 5
Thermodynamic parameters of dissolution of pyrimidine derivatives in studied solvents.
| Parameters | BKD-1 | BKD-2 | BKD-3 | BKD-4 | BKD-5 |
| | Methanol | Δsol/kJ·mol−1 | 17.6736 | 12.6578 | 15.9965 | 15.3516 | 16.0303 | Δsol/kJ·mol−1 | 22.5891 | 3.3855 | 7.8958 | 12.5874 | 5.6410 | Δsol/J·mol−1·K−1 | 15.7171 | | | | |
| | DMF | Δsol/kJ·mol−1 | 15.5336 | 11.8960 | 13.5783 | 12.7332 | 12.2834 | Δsol/kJ·mol−1 | 35.0186 | 23.4372 | 31.2108 | 22.8552 | 37.0804 | Δsol/J·mol−1·K−1 | 62.3018 | 36.9023 | 56.3787 | 32.3644 | 79.2870 |
| | CCl4 | Δsol/kJ·mol−1 | 18.9815 | 18.2170 | 18.2716 | 17.4786 | 18.1754 | Δsol/kJ·mol−1 | 59.5282 | 58.3892 | 34.0375 | 27.2034 | 27.2283 | Δsol/J·mol−1·K−1 | 129.6456 | 128.4480 | 50.4103 | 31.0944 | 28.9460 |
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