Spektraris NMR
Cudraxanthone S
Common Name: Cudraxanthone S
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C18H16O6/c1-4-18(2,3)13-10(20)7-11-12(16(13)23)14(21)8-5-6-9(19)15(22)17(8)24-11/h4-7,19-20,22-23H,1H2,2-3H3
InChIKey: InChIKey=AIUQKYDJHSRTBI-UHFFFAOYSA-N
Formula: C18H16O6
Molecular Weight: 328.316728
Exact Mass: 328.094688
NMR Solvent: CD3COCD3
MHz:
Calibration:
NMR references: 13C - Fukai, T., Yonekawa, M., Hou, A.J., Nomura, T., Sun, H.D., Uno, J. J Nat Prod (2003) 66, 1118-20
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) | 163.9 |
| 2 (C) | 115.6 |
| 3 (C) | 164.6 |
| 4 (CH) | 95.2 |
| 4a (C) | 156.4 |
| 5 (C) | 133.5 |
| 6 (C) | 151.9 |
| 7 (CH) | 113.5 |
| 8 (CH) | 117.5 |
| 8a (C) | 114.7 |
| 9 (C) | 181.4 |
| 9a (C) | 103.1 |
| 10a (C) | 146.5 |
| 1' (C) | 41.6 |
| 2' (CH) | 150.8 |
| 3' (CH2) | 108.6 |
| 4' (CH3) | 29.2 |
| 5' (CH3) | 29.2 |
Copyright © 2025
The Spektraris NMR database is developed and hosted by the Lange laboratory at WSU. CAS Registry Number is a Registered Trademark of the American Chemical Society.