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1H and 13C chemical shifts of 1,2-diacyl-3-α-d-GlcpA-sn-Gro (U2) reported (internal standard, tetramethylsilane, δH 0.00, δC 0.00)
Spectra were recorded in MeOD/CDCl3 (16.66/83.37%) at 27 °C utilizing Bruker Avance AVIII 500 and DRX Avance 700 spectrometers.
| 1a | 1b | 2 | 3a | 3b | 4 | 5 | 6a | 6b | |
|---|---|---|---|---|---|---|---|---|---|
| α-d-GlcpA | |||||||||
| H (δ) | 4.90 | 3.51 | 3.69 | 3.59 | 4.10 | ||||
| C (δ) | 99.50 (1JH1, C1 173 Hz) | 71.61 | 73.31 | 71.89 | 70.95 | 172.26 | |||
| Gro | |||||||||
| H (δ) | 4.43 | 4.18 | 5.25 | 3.88 | 3.68 | ||||
| C (δ) | 62.47 | 70.03 | 66.78 | ||||||
