Table 1.
1H and 13C NMR data of schizol A (1) and schizol B (2) a,b.
| Position | 1 | 2 | ||
|---|---|---|---|---|
| δC, Type | δH, m (J in Hz) | δC, Type | δH, m (J in Hz) | |
| 1 | 159.3, C | 159.3, C | ||
| 2 | 101.0, CH | 6.07, t (2.2) | 101.0, CH | 6.08, t (2.2) |
| 3 | 159.3, C | 159.3, C | ||
| 4 | 107.9, CH | 6.13, d (2.1) | 108.0, CH | 6.14, d (2.2) |
| 5 | 146.2, C | 146.2, C | ||
| 6 | 107.9, CH | 6.13, d (2.1) | 108.0, CH | 6.14, d (2.2) |
| 1′ | 36.9, CH2 | 2.48, t (7.6) | 36.9, CH2 | 2.45, t (7.5) |
| 2′ | 32.1, CH2 | 1.64, m | 32.5, CH2 | 1.64, m |
| 3′ | 30.6, CH2 | 1.49, tt (7.7, 7.4) | 29.1, CH2 | 1.52, m |
| 4′ | 29.4, CH2 | 2.21, dt (7.4, 7.4) | 35.1, CH2 | 1.69, m |
| 5′ | 129.9, CH | 5.61, t (7.3) | 51.43, CH | 2.94, td (7.4, 2.1) |
| 6′ | 141.6, C | 51.37, CH | 2.95, td (7.4, 2.1) | |
| 7′ | 32.6, CH2 | 2.48, t (7.5) | 37.6, CH2 | 1.64, m |
| 8′ | 22.8, CH2 | 1.32, tq (7.5, 7.5) | 22.8, CH2 | 1.48, m |
| 9′ | 14.2, CH3 | 0.86, t (7.4) | 14.6, CH3 | 0.97, t (7.4) |
| 1′′ | 144.8, C | 148.99 c, C | ||
| 2′′ | 127.4, CH | 7.29, dd (8.2, 1.4) | 149.05 c, C | |
| 3′′ | 129.2, CH | 7.25, dd (8.0, 7.4) | 123.13 d, CH | 6.99, m |
| 4′′ | 127.5, CH | 7.17, tt (7.2, 1.5) | 127.9, CH | 7.11, m |
| 5′′ | 129.2, CH | 7.25, dd (8.0, 7.4) | 127.9, CH | 7.11, m |
| 6′′ | 127.4, CH | 7.29, dd (8.2, 1.4) | 123.07 d, CH | 7.02, m |
a 1H at 600 MHz, 13C at 150 MHz; b Assignments aided by COSY, HSQC, HMBC, and NOESY experiments; c,d Assignments marked with the same letter in the same column may be interchanged.