Table 2.
Position | TAM H(6) | TAM I (7) | TAM J (8) | |||
---|---|---|---|---|---|---|
| ||||||
δC | δH (mult, J in Hz) | δC | δH (mult, J in Hz) | δC | δH (mult, J in Hz) | |
1 | 175.9, C | 175.7, C | 176.0, C | |||
2 | 118.1, CH | 7.64, d (15.6) | 118.9, CH | 7.59, d (15.6) | 118.9, CH | 7.58, d (15.7) |
3 | 149.1, CH | 7.85, d (15.7) | 148.7, CH | 7.81, d (15.6) | 149.2, CH | 7.80, d (15.7) |
4 | 135.1, C | 135.0, C | 134.5, C | |||
5 | 144.7, CH | 6.51, d (9.8) | 144.5, CH | 6.43, d (9.6) | 142.9, CH | 6.46, d (9.7) |
6 | 35.4, CH | 2.92, m | 35.1, CH | 2.71, m | 35.7, CH | 2.78, m |
7 | 77.0, CH | 4.37, d (10.9) | 76.5, CH | 3.97, d (10.9) | 77.2, CH | 4.04, d (10.8) |
8 | 37.6, CH | 2.22, m | 37.1, CH | 2.03, m | 37.9, CH | 2.22, m |
9 | 72.6, CH | 4.31, m | 71.6, CH | 4.30, m | 71.1, CH | 4.30, m |
10 | 67.5, CH | 4.88, d (7.0) | 71.3, CH | 4.83, d (6.9) | 202.7, C | |
11 | 61.3, CH | 4.28, br s | 62.2, CH | 3.73, br s | 62.6, CH | 4.28, br s |
12 | 60.2, C | 56.9, C | 59.8, C | |||
13 | 96.7, C | 97.3, C | 96.6, C | |||
14 | 24, CH3 | 1.74, s | 22.9, CH3 | 1.56, s | 23.9, CH3 | 1.73, s |
15 | 12.5, CH3 | 1.87, s | 12.6, CH3 | 1.85, s | 12.5, CH3 | 1.88, s |
16 | 17.6, CH3 | 1.15, d (6.7) | 17.4, CH3 | 1.07, d (6.8) | 17.7, CH3 | 1.24, d (6.8) |
17 | 13.9, CH3 | 1.22, d (6.8) | 13.6, CH3 | 0.99, d (6.8) | 13.6, CH3 | 1.14, d (6.8) |
18 | 59.1, CH2 | 4.43, d (12.9) 4.31, d (12.9) |
17.1, CH3 | 1.37, s | 57.8, CH2 | 4.68, d (12.9) 4.13, d (12.9) |
2′ | 177.4, C | 177.3, C | 177.9, C | |||
3′ | 102.1, C | 102.5, C | 99.9, C | |||
4′ | 193.8, C | 193.9, C | 193.4, C | |||
5′ | 52.3, CH2 | 3.98, s | 52.3, CH2 | 3.96, s | 52.5, CH2 | 3.95, s |
1″ | 99.6, CH | 5.51, d (2.4) | 101.5, CH | 5.47, d (2.5) | ||
2″ | 73.6, CH | 4.19, m | 73.8, CH | 4.25, m | ||
3″ | 75.6, CH | 4.47, m | 75.1, CH | 4.60, m | ||
4″ | 72.4, CH | 4.22, m | 72.2, CH | 4.22, m | ||
5″ | 76.0, CH | 4.34, m | 75.7, CH | 4.39, m | ||
6″ | 63.1, CH2 | 4.51, d (11.4) 4.36, dd (11.3, 4.8) |
63.5, CH2 | 4.53, d (11.2) 4.35, dd (11.3, 4.5) |
1H and 13C assignments were based on COSY, HMBC, HSQC and TOCSY spectra, as well as in comparison with the assignments for other TAM congeners reported previously.