Table 1.
Thalassotalic acid A (1) | Thalassotalic acid B (2) | Thalassotalic acid C (3) | Thalassotalamide A (4) | Thalassotalamide B (5) | ||||||
---|---|---|---|---|---|---|---|---|---|---|
| ||||||||||
position | δC | δH (J in Hz) | δC | δH (J in Hz) | δC | δH (J in Hz) | δC | δH (J in Hz) | δC | δH (J in Hz) |
1 | 166.7, C | 166.7, C | 166.8, C | 167.2, C | 167.2, C | |||||
1-OH/NH2 | 12.35, br s | 12.23, br s | 12.26, br s | 7.28/7.05, br s | 7.28/7.05, br s | |||||
2 | 124.2, C | 124.3, C | 124.5, C | 127.0, C | 127.0, C | |||||
2-NH | 9.23, s | 9.22, s | 9.20, s | 9.18, s | 9.19, s | |||||
3 | 132.2, CH | 7.22, s | 132.0, CH | 7.22, s | 131.7,a CH | 7.21, s | 128.6, CH | 7.06, s | 128.6, CH | 7.06, s |
4 | 124.7, C | 124.7, C | 124.8, C | 125.0, C | 125.0, C | |||||
5 | 131.7, CH | 7.51, d (8.7) | 131.7, CH | 7.51, d (8.6) | 131.7,a CH | 7.50, d (8.5) | 131.2, CH | 7.42, d (8.7) | 131.2, CH | 7.42, d (8.5) |
6 | 115.3, CH | 6.80, d (8.7) | 115.3, CH | 6.80, d (8.5) | 115.3, CH | 6.79, d (8.5) | 115.2, CH | 6.78, d (8.7) | 115.2, CH | 6.78, d (8.5) |
7 | 158.5, C | 158.5, C | 158.5, C | 158.0, C | 158.1, C | |||||
7-OH | 9.94, br s | 10.02, br s | 10.03, br s | 10.00, br s | 10.03, br s | |||||
1′ | 172.0, C | 171.9, C | 171.8, C | 172.0, C | 172.0, C | |||||
2′ | 35.1, CH2 | 2.28, t (7.2) | 35.2, CH2 | 2.28, t (7.4) | 35.2, CH2 | 2.28, t (7.2) | 35.2, CH2 | 2.32, t (7.5) | 35.2, CH2 | 2.32, t (7.5) |
3′ | 25.0, CH2 | 1.59, m | 25.0, CH2 | 1.59, m | 25.0, CH2 | 1.59, m | 24.7, CH2 | 1.58, m | 24.7, CH2 | 1.58, m |
4′ | 28.6–29.0, CH2 | 1.31, ma | 28.7, CH2 | 1.34, ma | 28.6–28.8, CH2 | 1.31, ma | 28.7–28.9, CH2 | 1.31, ma | 28.8, CH2 | 1.32, ma |
5′ | 28.6–29.0, CH2 | 1.31, ma | 29.1, CH2 | 1.30, ma | 28.6–28.8, CH2 | 1.31, ma | 28.7–28.9, CH2 | 1.31, ma | 29.1, CH2 | 1.28, ma |
6′ | 28.6–29.0, CH2 | 1.31, ma | 26.7, CH2 | 1.30, ma | 28.6–28.8, CH2 | 1.31, ma | 28.7–28.9, CH2 | 1.31, ma | 26.7, CH2 | 1.30, ma |
7′ | 28.6–29.0, CH2 | 1.31, ma | 38.4, CH2 | 1.19, m | 31.2, CH2 | 1.30, ma | 28.7–28.9, CH2 | 1.31, ma | 38.4, CH2 | 1.19, m |
8′ | 31.3, CH2 | 1.29, ma | 27.4, CH2 | 1.55, m | 22.1, CH2 | 1.32, ma | 31.3, CH2 | 1.29, ma | 27.4, CH2 | 1.55, m |
9′ | 22.1, CH2 | 1.30, ma | 22.5, CH3 | 0.90, d (6.6) | 13.9, CH3 | 0.90, t (7.0) | 22.1, CH2 | 1.30, ma | 22.5, CH3 | 0.89, d (6.5) |
10′ | 13.9, CH3 | 0.90, t (7.0) | 13.9, CH3 | 0.90, t (7.0) |
Overlapped signal