Compound | Substituent | Longitudinal relaxation time (T1)/s | 1'/β | ||
1' | α | β | |||
1 | ethyl | 14.50 | 10.30 | 10.70 | 1.36 |
2 | t-butyl | 13.50 | 8.58 | 9.06 | 1.49 |
3 | pentadecyl | 6.14 | 3.72 | 3.87 | 1.59 |
4 | octadecyl | 5.23 | 3.13 | 3.55 | 1.47 |
5 | benzyl | 9.91 | - | 6.84 | 1.45 |
6 | diphenylmethyl | 6.38 | 4.60 | 4.69 | 1.36 |
7 | triphenylmethyl | 6.97 | 3.12 | 3.12 | 2.23 |
8 | o-methylphenyl | 8.44 | 5.59 | 5.78 | 1.46 |
9 | o-hydroxyphenyl | 5.66 | 2.83 | 4.24 | 1.33 |
10 | o-(hydroxymethyl)phenyl | 7.08 | 3.03 | 3.86 | 1.83 |
11 | 1-hydroxyethyl | 9.51 | 7.21 | 7.59 | 1.25 |
12 | 1-hydroxypentyl | 7.13 | 3.35 | 4.26 | 1.67 |
13 | 1-hydroxydecyl | 7.32 | 3.61 | 4.61 | 1.59 |
14 | 1-hydroxypentadecyl | 6.11 | 2.89 | 4.00 | 1.53 |
15 | 1-hydroxybenzyl | 6.46 | ? | 3.31 | 1.95 |