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Isotropic chemical shifts from direct excitation ssNMR measurements for the BP educts and the species within the silica gel DDS.
| Bisphosphonate | Educt δ/ppm | Gel DDS δ/ppm |
|---|---|---|
| ETID | 22.3; 25.1 | 19.7 |
| C3BP | 24.8*; 22.2* | 19.2 |
| PAM | 13.2; 16.1 | 17.9, 20.0 |
| C4NBP | 12.9; 26.5 | 19.0 |
*Data fitted with dmfit program “dm2011vs/rel/release #20111221”41.
