Spektraris NMR
Varixanthone
Common Name: Varixanthone
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C26H28O8/c1-12(2)15-10-32-24-13(3)8-17-20(21(24)22(15)29)23(30)19-16(28)7-6-14(25(19)34-17)9-18(33-11-27)26(4,5)31/h6-8,11,15,18,22,28-29,31H,1,9-10H2,2-5H3/t15-,18+,22-/m1/s1
InChIKey: InChIKey=GOKVXLNHAYUYGV-FXCLAUTBSA-N
Formula: C26H28O8
Molecular Weight: 468.496714
Exact Mass: 468.178418
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Malmstrom, J., Christophersen, C., Barrero, A.F., Oltra, J.E., Justicia, J., Rosales, A. J Nat Prod (2002) 65, 364-7
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) | 153.1 |
| 2 (CH) | 109.9 |
| 3 (CH) | 138 |
| 4 (C) | 114.6 |
| 4a (C) | 160.6 |
| 5 (CH) | 119.2 |
| 6 (C) | 138.6 |
| 7 (C) | 149.6 |
| 8 (C) | 121 |
| 8a (C) | 116.9 |
| 9 (C) | 184.3 |
| 9a (C) | 109.1 |
| 10a (C) | 151.9 |
| 1' (CH2) | 29.7 |
| 2' (CH) | 78.9 |
| 3' (C) | 72.1 |
| 4' (CH3) | 25.4 |
| 5' (CH3) | 25.6 |
| 1'' (CH) | 63.3 |
| 2'' (CH) | 44.9 |
| 3'' (CH2) | 64.6 |
| 6a (CH3) | 17.4 |
| 2'a (CH) | 160.4 |
| 2''a (C) | 142.4 |
| 2''b (CH2) | 112.5 |
| 2''c (CH3) | 22.5 |
