Table 1.
R = | Charge | SAP/TSAP | τM (µs) | Δω (ppm) | 1-(Ms/M0) | |
---|---|---|---|---|---|---|
1 | -CCH(CH3)2 (i-Pr) | +3 | 61/39 | 37 | 54 | 0.47 |
2 | -C(CH3)3 (t-Bu) | +3 | 61/39 | 10 | 50 | 0.17 |
3 | -CCH(CH3)(CH2CH3) (3-pentyl) | +3 | 36/64 | 17 | 52 | 0.19 |
4 | -CCH(CH2CH2CH3)2 (4-heptyl) | +3 | 23/77 | <1 | 45 | 0.07 |
5 | -C(CH3)2COOH | −1 | 100/0 | 104 | 48 | 0.69 |
6 | -C(CH3)2COOEt | +3 | 70/30 | 210 | 45 | 0.70 |