Table 2.
Nonequivalent Chemical Shifts (ΔΔδ, ppm) of Other Split Protons of (±)-G1–14 in the Presence of TAMCSAs 1a–1c in CDCl3 (400 or 600 MHz) at 25 °Ca
| guest/TAMCSA | proton | ΔΔδ | guest/TAMCSA | proton | ΔΔδ |
|---|---|---|---|---|---|
| (±)-G1/1a | PhCH | 0.030 | (±)-G9/1bb | 4-PhCH2CH | 0.024 |
| (±)-G1/1bb | PhCH | 0.041 | (±)-G9/1ce | PhCH3 | 0.007 |
| (±)-G1/1c | PhCH | 0.029 | 4-PhCH2CH | 0.052 | |
| (±)-G2/1a | PhCH2 | 0.091 | (±)-G10/1ac | CH 2 | 0.070 |
| 0.049 | α-H(trp unit) | 0.036 | |||
| PhCH2CH | 0.042 | ArH | 0.012 | ||
| (±)-G2/1bb | PhCH2 | 0.061 | ArH | 0.119 | |
| 0.040 | C═CHNH | 0.031 | |||
| PhCH2CH | 0.031 | (±)-G10/1bf | CH 2 | 0.051 | |
| (±)-G2/1cc | PhCH2 | 0.111 | α-H(trp unit) | 0.027 | |
| 0.054 | ArH | 0.067 | |||
| PhCH2CH | 0.051 | ArH | 0.013 | ||
| (±)-G3/1ac,i | CH 3 | 0.049 | (±)-G10/1cb | CH 2 | 0.045 |
| (±)-G3/1bb | CH 3 | 0.020 | α-H(trp unit) | 0.029 | |
| (±)-G3/1cd,i | CH 3 | 0.029 | ArH | 0.078 | |
| (±)-G4/1a | (CH3)2CHCH | 0.014 | C═CHNH | 0.030 | |
| 0.042 | (±)-G11/1ac | PhCH2 | 0.153 | ||
| (CH3)2CHCH | 0.031 | 0.100 | |||
| (±)-G4/1b | (CH3)2CHCH | 0.007 | PhCH2CH | 0.086 | |
| 0.022 | ArH | 0.061 | |||
| (CH3)2CHCH | 0.024 | ArH | 0.014 | ||
| (±)-G4/1cb | (CH3)2CHCH | 0.013 | (±)-G11/1bb | PhCH2 | 0.095 |
| 0.044 | 0.068 | ||||
| (CH3)2CHCH | 0.037 | PhCH2CH | 0.077 | ||
| (±)-G5/1ae | CH 3 | 0.018 | ArH | 0.058 | |
| 0.007 | ArH | 0.012 | |||
| (CH3)2CHCH2CH | 0.039 | (±)-G11/1cc | PhCH2 | 0.154 | |
| (±)-G5/1bc | CH 3 | 0.022 | 0.087 | ||
| 0.008 | PhCH2CH | 0.080 | |||
| (CH3)2CHCH2CH | 0.059 | ArH | 0.061 | ||
| (±)-G5/1c | CH 3 | 0.020 | ArH | 0.013 | |
| 0.008 | (±)-G12/1ah | CH 3 | 0.034 | ||
| (CH3)2CHCH2CH | 0.045 | ArH | 0.016 | ||
| (±)-G6/1ab | SCH3 | 0.030 | (±)-G12/1bd | CH 3 | 0.017 |
| (±)-G6/1bb | SCH3 | 0.021 | ArH | 0.032 | |
| (±)-G6/1cb | SCH3 | 0.025 | (±)-G12/1cb | CH 3 | 0.032 |
| (±)-G7/1ac | PhCH3 | 0.038 | ArH | 0.019 | |
| (±)-G7/1bc | PhCH3 | 0.023 | (±)-G13/1ab | ArH | 0.026 |
| (±)-G7/1cc | PhCH3 | 0.033 | ArH | 0.012 | |
| (±)-G8/1ab | CH 3 | 0.040 | (±)-G13/1bb | ArH | 0.014 |
| PhCH3 | 0.037 | ArH | 0.040 | ||
| CH3(OH)CHCH | 0.027 | (±)-G13/1cc | ArH | 0.022 | |
| (±)-G8/1bf | CH 3 | 0.050 | ArH | 0.029 | |
| PhCH3 | 0.025 | (±)-G14/1ab,j | CH 3 | 0.024 | |
| CH3(OH)CHCH | 0.024 | CH3(OH)CHCH | 0.028 | ||
| (±)-G8/1cb | CH 3 | 0.038 | (±)-G14/1bb,j | CH 3 | 0.009 |
| PhCH3 | 0.035 | CH3(OH)CHCH | 0.022 | ||
| CH3(OH)CHCH | 0.027 | (±)-G14/1cj | CH 3 | 0.018 | |
| (±)-G9/1ag | PhCH3 | 0.005 | CH3(OH)CHCH | 0.021 | |
| 4-PhCH2CH | 0.030 |
5.0 mM.
7.5 mM.
10.0 mM.
6.0 mM.
4.0 mM.
12.5 mM.
2.0 mM.
3.0 mM.
600 MHz.
CDCl3 (10% CD3COCD3).