Spektraris NMR
Hyperxanthone E
Common Name: Hyperxanthone E
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C18H16O6/c1-18(2)4-3-9-14-13(7-11(21)17(9)24-18)23-12-6-8(19)5-10(20)15(12)16(14)22/h5-7,19-21H,3-4H2,1-2H3
InChIKey: InChIKey=JXBWMJZDYVJVIV-UHFFFAOYSA-N
Formula: C18H16O6
Molecular Weight: 328.316728
Exact Mass: 328.094688
NMR Solvent: CD3OD
MHz:
Calibration:
NMR references: 13C - Tanaka, N., Takaishi, Y., Shikishima, Y., Nakanishi, Y., Bastow, K., Lee, K.H., Honda, G., Ito, M., Takeda, Y., Kodzhimatov, O.K., Ashurmetov, O. J Nat Prod (2004) 67, 1870-5
Species:
Notes: Family : Aromatics, Type : Xanthones; 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 |
|---|---|
| 1 (C) | 164.7 |
| 2 (CH) | 98.5 |
| 3 (C) | 165.7 |
| 4 (CH) | 93.9 |
| 4a (C) | 158.5 |
| 5 (CH) | 101.1 |
| 6 (C) | 153.5 |
| 7 (C) | 142 |
| 8 (C) | 131 |
| 8a (C) | 112.1 |
| 9 (C) | 183.5 |
| 9a (C) | 104 |
| 10a (C) | 154.3 |
| 1'' (CH2) | 44.3 |
| 2'' (CH2) | 23 |
| 3'' (C) | 72.1 |
| 4'' (CH3) | 29.1 |
| 5'' (CH3) | 29.1 |
