Table 2.
Analytical data of cyclic Dyn A analogues
| no | molecular formula | MSa | HPLCb (tR,min) |
Purity (%) | aLogPsc | |
|---|---|---|---|---|---|---|
| calculated | observed | |||||
| 2 | C31H55N9O7 | 666.4 | 666.4 | 15.0 | 95 | −2.25 |
| 3 | C31H57N9O7 | 668.4 | 668.5 | 11.6 | 95 | −2.17 |
| 5 | C44H74N14O9 | 943.6 | 943.7 | 14.1 | 98 | −2.24 |
| 6 | C41H77N15O9 | 924.6 | 924.5 | 11.9 | 98 | −2.35 |
| 7 | C35H65N13O8 | 796.5 | 796.5 | 11.7 | 98 | −2.74 |
(M + H)+, ESI method (Finnigan, Thermoelectron, LCQ classic).
Performed on a Hewlett Packard 1100 (C-18, Microsorb-MV™, 4.6 mm × 250 mm, 5 μm) using gradient system (10–100% of acetonitrile containing 0.1% TFA within 45 min, 1 mL/min).