Official Journal of the Japan Wood Research Society
Table 2 1H NMR data for compound 1, 2, and 3 (CDCl3, δ in ppm)
From: Extractives elucidation of Taiwania cryptomerioides sapwood
No. | 1 | 2 | 3 | |||
|---|---|---|---|---|---|---|
δC | δH | δC | δH | δC | δH | |
1 | 44.8 | 2.06 m | 44.6 | 2.06 br s | 43.8 | 2.02 m |
2 | 26.3 | 1.61 m, 2.06 m | 26.0 | 1.66 br s, 2.06 br s | 23.6 | 1.79 m, 1.21 dd (4.0, 13.4) |
3 | 16.8 | 2.27 m | 16.9 | 2.29 br s | 35.0 | 1.98 m, 1.65 dt (4.0, 7.2) |
4 | 122.6 | – | 124.1 | – | 73.6 | – |
5 | 79.9 | 4.95 dt (2.2, 10.3) | 80.8 | 4.80 br d (10.4) | 79.1 | 4.66 d (9.1) |
6 | 74.2 | 3.80 dd (6.0, 10.3) | 80.4 | 3.70 d (10.4) | 76.4 | 3.76 d (9.1) |
7 | 37.0 | 2.78 sext (6.0) | 74.9 | - | 71.3 | - |
8 | 134.0 | 5.82 d (6.0)a | 135.6 | 5.75 s | 132.8 | 5.75 d (1.6) |
9 | 132.8 | – | 132.5 | – | 134.1 | – |
10 | 157.8 | – | 157.1 | – | 85.7 | – |
11 | 27.9 | 1.61 m | 27.9 | 1.66 m | 27.2 | 1.93 m |
12 | 20.3 | 0.97 d (6.6) | 20.3 | 0.97 d (6.6) | 18.7 | 0.92 (6.6) |
13 | 21.5 | 0.86 d (6.6) | 21.5 | 0.86 d (6.6) | 21.9 | 0.97 (6.6) |
14 | 13.6 | 1.18 d (6.0) | 22.9 | 1.41 s | 22.2 | 1.31 s |
15 | 173.2 | – | 172.6 | – | 22.6 | 1.27 s |
1’ | – | – | – | – | 153.5 | – |