Table 1. Variation of 1H Chemical Shift (δ/ppm) of HP-β-CD before and after Forming Complex with Rh6G (DMSO, 300 K).
HP-β-CD | H-1 | H-2 | H-3 | H-4 | H-5 | H-6 | OCH2 | CH3 | OH |
---|---|---|---|---|---|---|---|---|---|
δfree | 4.833 | 3.441 | 3.751 | 3.412 | 3.478 | 3.615 | 3.327 | 1.025 | 5.880 |
δcomplex | 4.834 | 3.438 | 3.748 | 3.394 | 3.467 | 3.614 | 3.314 | 1.024 | 5.885 |
Δδ | 0.001 | –0.003 | 0.003 | –0.018 | –0.011 | –0.001 | –0.013 | –0.001 | 0.005 |