Research Article
Microbial Transformations of 7-Hydroxyflavanone
Table 3
Selected 1H NMR data for 2,4-cis-7-hydroxyflavan-4-ol (4), 2,4-trans-5,7-dihydroxyflavan-4-ol (5), and 2,4-cis-flavan-4-ol.
| | δ H-2 | δ H-4 | δ H-3ax | δ H-3eq | | | | | |
| 2,4-cis-Flavan-4-ol | 5.17 | 5.08 | 2.13 | 2.51 | 13.06 | 11.62 | 1.83 | 10.59 | 6.27 | 2,4-cis-7-Hydroxyflavan-4-ol (4) | 5.15 | 5.03 | 2.09 | 2.49 | 13.20 | 11.30 | 1.80 | 9.90 | 6.20 | 2,4-trans-5,7-Dihydroxyflavan-4-ol (5) | 5.22 | 5.52 | 3.05 | 2.89 | 16.90 | 8.40 | 16.70 | 13.30 | 2.90 |
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