Position | Unknown impurity | DABE |
δ H | δ H | |
1 | 0.87 (3H, t) | 0.87 (3H, t) |
2 | 1.09 (3H, t) | 1.09 (3H, t) |
3 | 1.32 (6H, m) | 1.34 (6H, m) |
4 | 1.60 (2H, m) | 1.65 (2H, m) |
5 | 2.68 (2H, t) | 2.68 (2H, t) |
6 | 3.76 (3H, s) | 3.78 (3H, s) |
7 | 3.95 (2H, m) | 3.98 (2H, m) |
8 | 4.08 (2H, t) |
4.22 (4H, m) |
9 | 4.22 (2H, t) | |
10 | 4.60 (2H, d) | 4.69 (2H, d) |
11 | 6.73 (2H, d) |
6.85 - 7.66 (11H, m) |
12 | 6.87-7.16 (4H, m) | |
13 | 7.39-7.80 (5H, m) | |
14-NH | 8.38 (1H, d) | 8.39 (1H, d) |
15-NH | 10.45 (1H, s) | 10.02 (1H, s) |
16-NH2 | - | 10.64 - 11.88 (2H, broad singlets) |