Table 1.
1H and 13C NMR spectrographic data for compounds 1–3 (δ in ppm, J in Hz)
No. | 1 a | 2 a | 3 a | |||
---|---|---|---|---|---|---|
δ H | δ C | δ H | δ C | δ H | δ C | |
1 | 1.24 m; 1.82 m | 38.4 t | 1.21 m; 1.82 m | 38.1 t | 1.16 m; 1.76 m | 38.5 t |
2 | 1.94 m | 28.2 t | 1.91 m | 27.7 t | 1.55 m; 1.69 m | 24.8 t |
3 | 4.27 m | 73.7 d | 4.12 dd (4.6, 10.9) | 72.7 d | 3.64 dd (3.5, 11.6) | 77.8 d |
4 | – | 43.4 s | – | 56.1 s | – | 37.2 s |
5 | 1.93 m | 43.3 d | 1.71 m | 42.5 d | 1.09 dd (4.4, 12.3) | 46.2 d |
6 | 2.03 m | 23.7 t | 1.47 m; 2.01 m | 25.0 t | 1.51 m; 1.87 m | 22.9 t |
7 | 5.42 s | 121.3 d | 5.34 m | 120.3 d | 5.39 d (3.3) | 120.5 d |
8 | – | 137.4 s | – | 137.8 s | – | 137.8 s |
9 | 1.75 m | 52.8 d | 1.75 m | 52.4 d | 1.71 m | 52.8 d |
10 | – | 35.6 s | – | 34.7 s | – | 35.8 s |
11 | 1.23 m; 1.76 m | 26.1 t | 1.19 m; 1.74 m | 26.1 t | 1.19 m; 1.69 m | 25.9 t |
12 | 1.28 m; 2.04 m | 32.5 t | 1.31 m; 2.05 m | 32.3 t | 1.32 m; 2.05 m | 32.3 t |
13 | 2.80 m | 40.0 d | 2.77 m | 40.0 d | 2.78 m | 40.0 d |
14 | 2.02 m; 2.66 m | 41.9 t | 2.04 m; 2.65 m | 41.7 t | 2.07 m; 2.69 m | 41.9 t |
15 | – | 147.8 s | – | 147.6 s | – | 147.8 s |
16 | – | 170.1 s | – | 170.1 s | – | 170.2 s |
17 | 5.64 s; 6.54 s | 122.1 t | 5.64 s; 6.55 s | 122.2 t | 5.65 s; 6.56 s | 122.2 t |
18 | 3.68 d (10.6); 4.14 d (10.6) | 67.7 t | 9.62 s | 207.2 d | 3.47 d (10.5); 3.58 d (10.5) | 72.7 t |
19 | 1.16 s | 13.4 q | 1.44 s | 10.1 q | 1.25 s | 13.3 q |
20 | 0.93 s | 16.2 q | 0.84 s | 15.9 q | 0.83 s | 16.2 q |
1′ | – | – | – | – | – | 99.4 s |
2′ | – | – | – | – | 1.53 s | 19.8 q |
3′ | – | – | – | – | 1.55 s | 30.6 q |
aRecorded in pyridine-d5, 400 MHz for δH, 100 MHz for δC