Table 1.
Drug/Prodrug | R1 | R2 | %Yield | Theoretical Molecular Weight | Observed [M+1]+ or [M+Na]+ | Melting Point (°C) | Clog P | % Purity |
---|---|---|---|---|---|---|---|---|
Ganciclovir* | H | H | - | 255.1 | 256.2 | 250-252 | -0.03 | 99.5* |
GCV-mono-C5 | n-C4H9CO | H | 19 | 339.35 | 340.5 | 224-226 | -0.1 | 97.5 |
GCV-di-C5 | n-C4H9CO | n-C4H9CO | 78 | 423.21 | 424.5 | 220-222 | 1.61 | 99.0 |
GCV-mono-C10 | n-C9H19CO | H | 27 | 409.48 | 410.5 | 216-218 | 1.98 | 98.0 |
GCV-di-C10 | n-C9H19CO | n-C9H19CO | 70 | 563.73 | 564.7 | 198-200 | 5.79 | 98.5 |
GCV-mono-C13 | n-C12H25CO | H | 23 | 451.56 | 452.4 | 212-214 | 3.24 | 99.5 |
GCV-di-C13 | n-C12H25CO | n-C12H25CO | 74 | 647.89 | 648.9 | 166-168 | 5.84 | 99.0 |
Ganciclovir (GCV) purity as reported by the manufacturer (Hubei Gedian Human well Pharmaceutical Co., Ltd. China)