Table 2.
Yield (mg) | HPLC tR (min)a | Mass (calc) | Mass (found) | |
---|---|---|---|---|
17 b | ||||
18 b | ||||
19 | 42 | 24.80 | 541.23 | 541.25 |
20 | 22 | 22.21 | 595.30 | 595.30 |
21 | 18 | 20.92 | 603.20 | 603.20 |
22 | 22 | 23.62 | 585.30 | 585.30 |
23 | 19 | 21.10 | 583.30 | 583.30 |
24 | 29 | 16.95 | 583.25 | 583.25 |
25 | 28 | 10.97 | 597.30 | 597.30 |
HPLC gradient: 0–40 % MeCN/30 min, 0.1 % TFA, 1.5 mL/min
from Mandal et al. (2011)