Table 1:
1H Chemical Shifts for 9-, 10-, 12-, and 13-Nitro Fatty Acids
position | peak 3, 9-NO2 | peak 1, 13-NO2 | peak 3, 10-NO2 | peak 2, 12-NO2 |
---|---|---|---|---|
2 | 2.35, t, 7.65 Hz | 2.35, t, 7.65 Hz | 2.35, t, 7.43 Hz | 2.37, t, 4.43 |
3 | 1.63, m | 1.64, m | 1.63, m | 1.64, m |
4 | 1.35, m | 1.33, m | 1.35, m | 1.35, m |
5 | 1.35, m | 1.33, m | 1.35, m | 1.35, m |
6 | 1.35, m | 1.33, m | 1.35, m | 1.35, m |
7 | 1.51, m | 1.39, m | 1.51, m | 1.40, m |
8 | 2.61, t, 7.88 Hz | 2.06, q, 7.20 Hz | 2.24, q, 7.65 Hz | 2.13, q, 6.98 Hz |
9 | a | 5.53, dtt, 10.76, 7.83, 1.71 Hz | 7.08, t, 7.88 Hz | 5.48, dtt, 11.51, 6.94, 1.58 Hz |
10 | 7.03, t, 8.33 Hz | 5.33, dtt, 10.76, 7.58, 1.47 Hz | a | 5.26, dtt, 11.00, 7.00, 1.58 Hz |
11 | 2.96, t, 7.65 Hz | 2.96, t, 7.43 Hz | 3.34, d, 7.20 Hz | 3.34, d, 6.94 Hz |
12 | 5.32, dtt, 10.51, 7.65, 1.58 Hz | 7.02, t, 7.88 Hz | 5.25, dtt, 11.00, 7.20, 1.58 Hz | a |
13 | 5.55, dtt, 10.51, 7.43, 1.58 Hz | a | 5.50, dtt, 11.00, 7.00, 1.58 Hz | 7.09, t, 7.80 Hz |
14 | 2.06, q, 7.43 Hz | 2.59, t, 7.65 Hz | 2.12, q, 6.98 Hz | 2.25, q, 7.40 Hz |
15 | 1.39, m | 1.50, p, 7.43 Hz | 1.40, m | 1.51, m |
16 | 1.39, m | 1.35, m | 1.40, m | 1.34, m |
17 | 1.39, m | 1.35, m | 1.40, m | 1.34, m |
18 | 0.904, t, 7.20 Hz | 0.89, t, 6.75 Hz | 0.90, t, 6.98 Hz | 0.91, t, 6.98 Hz |
Site of nitration.