Table 1.
pos. | δH, mult. (J in Hz) | δC | COSY | HMBCa |
---|---|---|---|---|
1 | 174.6 | |||
2a | 2.03–2.08, m | 31.2 | 3 | 1, 3, 4 |
2b | 2.31–2.39, m | |||
3a | 1.95, 2.02, m | 29.6 | 2, 4 | 1, 2, 4, 5, 6 |
3b | 2.03–2.08, m | 4 | ||
4 | 5.10–5.18, m | 76.4 | 3, 5 | 1’, 3 |
5 | 5.49, ddd (1.5, 9.6, 15.8) | 123.6 | 4, 6, 7 | 7 |
6 | 5.87, dd (1.7, 15.8) | 132.5 | 4, 5, 7 | 4, 5, 7 |
7 | 4.50, bsb (1.5, 1.7, 1.7) | 72.6 | 5, 6, 8 | 5, 6, 8, 9 |
8 | 3.59, dd (1.7, 9.6) | 73.5 | 7, 9 | 7, 9, 10 |
9 | 4.99, dt (1.7, 9.6) | 70.8 | 8, 10 | 1, 8, 10, 11 |
10a | 1.49–1.57, m | 31.5 | 11 | 11, 12 |
10b | 1.82–1.91, m | 11, 12 | ||
11 | 1.18–1.26, m | 24.6 | ||
12 | 1.24–1.29, m | 29.4 | ||
13 | 1.26–1.30, m | 29.2 | ||
14 | 1.27–1.31, m | 31.8 | ||
15 | 1.26–1.34, m | 22.6 | ||
16 | 0.87, t (6.9) | 14.1 | 15 | 14, 15 |
1’ | 171.5 | |||
2’ | 2.60, t (5.7) | 29.2 | 3’ | 1’, 3’, 4’ |
3’ | 2.65, t (6.2) | 28.8 | 2’ | 1’, 2’, 4’ |
4’ | 176.6 |
HMBC correlations are from proton(s) stated to the indicated carbons.
This is the apparent multiplicity as observed by 1H NMR. J-values were determined from homonuclear decoupling experiments.