Table 3.
Entry | R | Obtained MW | Yield (%) a |
---|---|---|---|
8a | 449 (MH+) | 76 | |
8b | 463 (MH+) | 72 | |
8c | 521 (MH+) | 68 | |
8d | 499 (MH+) | 82 | |
8e | 535 (MH+) | 85 | |
8f | 430 (MH+) | 74 | |
8g | 464 (MH+) | 79 | |
8h | 432 (MH+) | 72 | |
8i | 480 (MH+) | 80 |
Yields based on the weight of purified product and are relative to the initial loading of the resin. The purity of the purified compounds is higher than 95% for all the compounds. The purity was estimated on analytical traces at λ= 214 nm and 254 nm.