Table 1 1H (600 MHz) and 13C (151 MHz) NMR data for compound 4 in CDCl3
From: Active constituents of Zanthoxylum nitidium from Yunnan Province against leukaemia cells in vitro
Position | δH, m(J in Hz) | δC | HMBC |
|---|---|---|---|
2 | 160.9 | ||
3 | 6.16, d, (7.1) | 111.0 | C-8a, C-2 |
4 | 7.96, d, (7.1) | 138.8 | C-5a, C-2, C-5 |
5 | 128.8 | ||
6 | 6.33, d (1.5) | 91.3 | C-8a, C-5, C-8, C-7 |
7 | 156.6 | ||
8 | 152.3 | ||
8a | 103.9 | ||
5a | 149.0 | ||
1′ | 4.54, dd (7.5, 1.5) | 70.0 | C-2′, C-5, C-3′ |
2′ | 5.57, d (1.5) | 120.2 | C-4′, C-5′ |
3′ | 139.0 | ||
4′ | 1.68, s | 18.0 | C-5′, C-2′, C-3′ |
5′ | 1.73, s | 25.8 | C-4′, C-2′, C-3′ |
7-OCH3 | 3.94, s | 56.4 | C-7 |
8-OCH3 | 3.90, s | 56.4 | C-8 |