Table 1.
positionb | δC | δH |
---|---|---|
1 | 173.8 | |
2 | 55.2 | 4.07 mc |
3 | 49.8 | 2.88–3.06 m |
4 | 179.0 | |
5 | 43.1 | 2.78 mc, 2.69 dd (15.0, 9.0) |
6 | 62.5 | 4.05 mc |
7 | 168.2 | |
8 | 167.6 | |
9 | 115.5 | |
10 | 154.8 | |
11 | 13.8 | 2.16 s |
12 | 170.8 | |
13 | 60.4 | 5.09 d (8.0) |
14 | 75.6 | 5.28 d (8.0) |
15 | 100.8 | 5.25 d (3.5) |
16 | 66.0 | 4.20 mc |
17 | 74.4 | 3.64 mc |
18 | 70.9 | 4.12 mc |
19 | 73.4 | 3.99 mc |
20 | 101.3 | 5.02 brs |
21 | 71.2 | 4.06 mc |
22 | 77.1 | 4.65 mc |
23 | 67.4 | 3.82 mc |
24 | 76.5c | 3.84 mc |
25 | 63.8 | 3.80 mc, 3.94 mc |
26 | 160.8 | |
27 | 137.6 | |
28 | 120.0 | 7.30 s |
29 | 139.6 | 7.91 s |
30 | 172.2 | |
31 | 51.8 | 3.82 mc |
32 | 34.5 | 1.70 m |
33 | 76.5c | 3.74 mc |
34 | 45.2 | 2.36 m |
35 | 14.3 | 1.07 d (7.0) |
36 | 179.6 | |
37 | 63.6 | 4.29 s |
38 | 74.3 | |
39 | 28.3d | 1.19 s |
40 | 174.2 | |
41 | 40.1 | 3.58 mc |
42 | 42.1 | 2.92 m |
43 | 180.3 | |
44 | 41.4 | 3.58 mc, 3.90 mc |
45 | 78.4 | 5.89 dd (9.0, 7.0) |
46 | 175.0 | |
47 | 128.3 | 8.16 s |
48 | 151.0 | |
49 | 165.9 | |
50 | 17.3 | 0.92 d (8.0) |
51 | 61.4 | 3.50 mc |
52 | 28.6d | 1.22 s |
53 | 39.4 | 3.81 mc |
54 | 35.5 | 2.80 mc |
55 | 171.8 |
Assignment confirmed by the combination of DEPT, 1H-1H COSY, TOCSY, HSQC, and HMBC, spectra obtained at 500 MHz for 1H and 125 MHz for 13C, respectively.
See Figure 2 for hydrogen and carbon numbering of ZBM.
Overlapped signals.
Interchangeable signals.