Spektraris NMR
Hyperxanthone C
Common Name: Hyperxanthone C
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C18H16O7/c1-7(2)10(20)5-9-15-14(6-12(22)17(9)23)25-13-4-8(19)3-11(21)16(13)18(15)24/h3-4,6,10,19-23H,1,5H2,2H3
InChIKey: InChIKey=GONMHOQVFDWXLV-UHFFFAOYSA-N
Formula: C18H16O7
Molecular Weight: 344.316133
Exact Mass: 344.089603
NMR Solvent: CD3COCD3
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) | 164.3 |
| 2 (CH) | 98.1 |
| 3 (C) | 165 |
| 4 (CH) | 93.3 |
| 4a (C) | 157.6 |
| 5 (CH) | 101.7 |
| 6 (C) | 154 |
| 7 (C) | 142.7 |
| 8 (C) | 127.2 |
| 8a (C) | 111.5 |
| 9 (C) | 182.7 |
| 9a (C) | 103.3 |
| 10a (C) | 153.8 |
| 1' (CH2) | 33.9 |
| 2' (CH) | 77.9 |
| 3' (C) | 148.7 |
| 4' (CH2) | 109.7 |
| 5' (CH3) | 18.1 |
