Table 1 1H and13 C NMR Data of compounds 1 and 2 (δ in ppm, data obtained in CDCl3)
No | 1 | 2 | ||
|---|---|---|---|---|
δC | δH (J in Hz) | δC | δH (J in Hz) | |
1 | 169.5 (C) | 167.5 (C) | ||
2-NH | 9.07, s | |||
3 | 43.7 (CH2) | 4.32, s | 45.9 (CH2) | 4.16, s |
4 | 156.3 (CH2) | 156.9 (C) | ||
5 | 125.1 (C) | 123.8 (C) | ||
6 | 152.7 (C) | 152.4 (C) | ||
7 | 116.3 (CH) | 7.49, s | 115.8 (CH) | 7.47, s |
3a | 128.4 (C) | 125.2 (C) | ||
7a | 134.4 (C) | 136.8 (C) | ||
8 | 28.3 (CH2) | 2.76, t (5.6) | 28.1 (CH2) | 2.75, t (5.6) |
9 | 37.2 (CH2) | 3.33, t (5.6) | 37.2 (CH2) | 3.35, t (5.6) |
10 | 206.3 (C) | 206.4 (C) | ||
1′ | 34.2 (CH3) | 2.84, s | ||
-OMe | 60.3 (CH3) | 3.83, s | 60.4 (CH3) | 3.83, s |