Spektraris NMR
Glepidotin B
Common Name: Glepidotin B
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C20H20O5/c1-11(2)8-9-13-14(21)10-15(22)16-17(23)18(24)19(25-20(13)16)12-6-4-3-5-7-12/h3-8,10,18-19,21-22,24H,9H2,1-2H3/t18-,19+/m0/s1
InChIKey: InChIKey=ATJOIGKHVRPLSM-RBUKOAKNSA-N
Formula: C20H20O5
Molecular Weight: 340.370558
Exact Mass: 340.131074
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Manfredi, K.P., Vallurupalli, V., Demidova, M., Kindscher, K., Pannell, L.K. Phytochemistry (2001) 58, 153-7
Species:
Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanonols; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)
Carbon NMR Peaks
| Position | PPM |
|---|---|
| 2 (CH) | 72.5 |
| 3 (CH) | 83.3 |
| 4 (C) | 196 |
| 5 (C) | 164.6 |
| 6 (CH) | 107.5 |
| 7 (C) | 161.2 |
| 8 (C) | 96 |
| 9 (C) | 161 |
| 10 (C) | 100.8 |
| 1' (C) | 136 |
| 2' (CH) | 127.5 |
| 3' (CH) | 127.5 |
| 4' (CH) | 129.3 |
| 5' (CH) | 127.5 |
| 6' (CH) | 127.5 |
| 8a (CH2) | 25.8 |
| 8b (CH) | 136.1 |
| 8c (C) | 121 |
| 8d (CH3) | 18 |
| 8e (CH3) | 21 |
