Chemical shifts (δ) of γ-CD, echinomycin (δo) and echinomycin-in-γCD complex (δC).
Proton | δ o | δ C | Δδ | |
---|---|---|---|---|
γ-CD | H1 | 4.8428 | 4.84423 | 0.00143 |
H2 | 3.3086 | 3.3097 | 0.0011 | |
H3 | 3.5367 | 3.5413 | 0.0046 | |
H4 | 3.4912 | 3.4939 | 0.0027 | |
H5 | 3.5547 | 3.5602 | 0.0055 | |
H6 | 3.5853 | 3.5848 | −0.0005 | |
Echinomycin | Ha | 9.4594 | 9.4646 | 0.0052 |
Hb | 7.902 | 7.909 | 0.0070 | |
Hc | 7.773 | 7.786 | 0.013 | |
Hd | 0.8099 | 0.8133 | 0.0034 | |
He | 3.278 | 3.2803 | 0.0023 | |
Hf | 8.037 | 8.044 | 0.0070 |