Table 1.
Structures and properties of synthetic compounds
| No. | λ max (nm) | MP °C | MW (g/mol) | Molecular formula | No. | λ max (nm) | MP °C | MW (g/mol) | Molecular formula |
|---|---|---|---|---|---|---|---|---|---|
| 1a | 402 | 301–303 | 293.67 | C10H8ClN7O2 | 2a | 394 | 284–286 | 286.29 | C12H14N8O |
| 1b | 423 | 305–307 | 293.67 | C10H8ClN7O2 | 2b | 423 | 250–252 | 243.27 | C11H13N7 |
| 1c | 456 | 234–236 | 262.70 | C11H11ClN6 | 2c | 446 | 307–309 | 274.24 | C10H10N8O2 |
| 1d | 402 | 286–288 | 305.7 | C12H14ClN7O | 2d | 384 | 278–280 | 259.27 | C11H13N7O |
| 1e | 389 | 270–272 | 287.70 | C11H11ClN6O | 2e | 402 | 322–324 | 274.24 | C10H10N8O |
Abbreviations: MP, melting point; MW, molecular weight.