Table 3. 1H NMR and 13C NMR Data for Compounds S1 and S2a.
S1 |
S2 |
|||
---|---|---|---|---|
position | δC | δH | δC | δH |
1 | 200.3 | |||
2 | 120.0 | 6.00 s | 176.5 | |
3 | 167.0 | 21.7 | 2.53 m | |
4 | 25.1 | 2.32 m | 21.7 | 2.53 m |
5 | 31.0 | 1.78 m | 133.1 | |
2.19 m | ||||
6 | 72.3 | 4.05 m | 148.3 | 7.33 s |
7 | 63.3 | 4.07 br s | 72.1 | 4.76 s |
1H NMR (500 MHz) and 13C NMR (125 MHz) for S1; 1H NMR (300 MHz) and 13C NMR (75 MHz) for S2.