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Structure, with important hydrogen couplings, and 1H-NMR spectroscopic data (600 MHz) of gibepyrone D and prolipyrone B.
| Gibepyrone D (CD3OD) | Prolipyrone B (DMSO-d6) |
|
|||
| type | δH (J in Hz) | Type | δH (J in Hz) | ||
| 1 | CH3 | 2.11 (d, 1.3) | CH3 | 2.31 (d, 1.3) | |
| 2 | CH3 | 2.36 (d, 1.3) | CH2 | 4.30 (s, brd) | |
| 3 | CH | 6.61 (q, 1.3) | CH | 6.45 (q, 1.3) | |
| 4 | CH | 6.70 (d, 6.9) | CH | 6.85 (d, 7.0) | |
| 5 | CH | 7.39 (dq, 1.3; 7.0) | CH | 7.52 (dt, 1.7; 7.0) | |
