Table 1.
Spectroscopic data of 1 and 4 (sugar moieties, δ in ppm, J in Hz) in pyridine-d5.
| 1 | 4 | 1 | 4 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| δ C | δ H | δ C | δ H | δ C | δ H | δ C | δ H | ||
| C3- | glc″″-1 | 104.8 | 5.15(1H,d,7.8) | ||||||
| ara-1 | 105.1 | 4.61(1H,d,6.0) | 104.7 | 4.91(1H,d,6.0) | 2 | 74.5 | 3.95(1H,m) | ||
| 2 | 75.7 | 4.15(1H,m) | 75.5 | 4.42(1H,m) | 3 | 78.0 | 4.20(1H,m) | ||
| 3 | 73.8 | 4.33(1H,m) | 74.1 | 4.55(1H,m) | 4 | 71.2 | 4.89(1H,brs) | ||
| 4 | 79.1 | 4.74(1H,dd,2.4,9.6) | 80.7 | 4.30(1H,m) | 5 | 78.2 | 4.10(1H,m) | ||
| 5 | 65.1 | 3.69(1H,d,11), 4.40(1H,m) | 66.4 | 3.62(1H,d,6.0), 4.20(1H,m) | 6 | 62.2 | 4.27(1H,m), 4.53(1H,m) | ||
| glc-1 | 106.4 | 5.10(1H,d,7.8) | 105.0 | 4.99(1H,d,7.8) | C28- | ||||
| 2 | 75.3 | 4.15(1H,m) | 74.6 | 4.02(1H,m) | glc″-1 | 95.4 | 6.22(1H,d,7.8) | 95.8 | 6.14(1H,d,7.8) |
| 3 | 78.2 | 4.19(1H,m) | 78.6 | 4.20(1H,m) | 2 | 74.3 | 4.15(1H,m) | 74.2 | 4.15(1H,m) |
| 4 | 71.0 | 4.85(1H,m) | 71.6 | 4.20(1H,m) | 3 | 78.5 | 4.40(1H,m) | 78.9 | 4.40(1H,m) |
| 5 | 78.5 | 3.90(1H,m) | 78.4 | 3.90(1H,m) | 4 | 70.6 | 4.20(1H,m) | 71.0 | 4.33(1H,m) |
| 6 | 62.3 | 4.37(1H,m), 4.53(1H,m) | 62.5 | 4.25(1H,m), 4.45(1H,m) | 5 | 77.8 | 3.90(1H,m) | 78.4 | 3.92(1H,m) |
| rha-1 | 101.3 | 6.19(1H,brs) | 101.3 | 6.13(1H,brs) | 6 | 69.0 | 4.34(1H,m), 4.63(1H,m) | 69.4 | 4.33(1H,m), 4.82(1H,m) |
| 2 | 71.4 | 4.90(1H,m) | 72.0 | 4.65(1H,m) | glc″′-1 | 104.6 | 4.96(1H,d,7.2) | 103.1 | 4.90(1H,d,7.8) |
| 3 | 83.0 | 4.74(1H,dd,2.4,9.6) | 83.8 | 4.69(1H,dd,6.0,12.0) | 2 | 75.1 | 3.95(1H,m) | 74.9 | 3.93(1H,m) |
| 4 | 72.7 | 4.50(1H,m) | 73.2 | 4.35(1H,m) | 3 | 76.5 | 4.15(1H,m) | 76.7 | 4.13(1H,m) |
| 5 | 69.5 | 4.95(1H,m) | 69.6 | 4.65(1H,m) | 4 | 78.0 | 4.10(1H,m) | 78.2 | 4.09(1H,m) |
| 6 | 18.3 | 1.52(3H,d,6.0) | 18.6 | 1.50(3H,d,6.0) | 5 | 76.9 | 3.61(1H,d,9.0) | 77.3 | 3.57(1H,d,9.0) |
| glc′-1 | 106.3 | 5.42(1H,d,7.8) | 106.7 | 5.11(1H,d,7.8) | 6 | 61.0 | 4.05(1H,m), 4.17(1H,m) | 61.5 | 4.05(1H,m), 4.15(1H,m) |
| 2 | 75.2 | 3.95(1H,m) | 75.8 | 3.90(1H,m) | rha′-1 | 102.5 | 5.84(1H,brs) | 102.4 | 5.76(1H,brs) |
| 3 | 76.5 | 4.30(1H,m) | 76.7 | 4.30(1H,m) | 2 | 72.3 | 4.69(1H,m) | 72.7 | 4.65(1H,m) |
| 4 | 81.0 | 4.35(1H,m) | 69.7 | 4.40(1H,m) | 3 | 72.5 | 4.50(1H,m) | 72.9 | 4.55(1H,m) |
| 5 | 76.3 | 4.10(1H,m) | 77.0 | 4.10(1H,m) | 4 | 73.7 | 4.30(1H,m) | 74.1 | 4.35(1H,m) |
| 6 | 61.7 | 3.84(1H,m), 4.43(1H,m) | 62.0 | 3.84(1H,m), 4.43(1H,m) | 5 | 70.1 | 4.31(1H,m) | 70.5 | 4.93(1H,m) |
| 6 | 18.3 | 1.66(3H,d,6.0) | 18.7 | 1.61(3H,d,6.0) | |||||