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(2-Hydroxy)propylation of γ-CD of high DS.
| No. | Molar fold of reagent | Milling time [h] | B2M ratioa | Productb [g] | DSc | Yieldd [%] |
| 7 | 10 | 8 | 8.5 | 2.0 | 8.8 | 56 |
| 8 | 20 | 8 | 10.9 | 2.9 | 17.6 | 63 |
aBall-to-mass (mass of balls/mass of reagents); bisolated, purified; ccalculated from the integration of anomeric-proton and CH3 signals of 1H NMR spectra and corrected with the residual-solvent content; don the base of DS.
