Spektraris NMR
Cowagarcinone B
Common Name: Cowagarcinone B
Synonyms: Cowagarcinone B
CAS Registry Number:
InChI: InChI=1S/C20H20O6/c1-10(2)5-6-11-14(24-3)9-17-18(19(11)22)20(23)12-7-16(25-4)13(21)8-15(12)26-17/h5,7-9,21-22H,6H2,1-4H3
InChIKey: InChIKey=VEQACXWBQPLDPZ-UHFFFAOYSA-N
Formula: C20H20O6
Molecular Weight: 356.369963
Exact Mass: 356.125988
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Johns, S.R., Lamberton, J.A., Morton, T.C., Suares, H., Willing, R.I. Aust J Chem (1983) 36, 2537-47
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) | 159.4 |
| 2 (C) | 111.8 |
| 3 (C) | 163.9 |
| 4 (CH) | 89.6 |
| 4a (C) | 152.6 |
| 5 (CH) | 102.5 |
| 6 (C) | 156.3 |
| 7 (C) | 144.4 |
| 8 (CH) | 104.6 |
| 8a (C) | 113.6 |
| 9 (C) | 179.9 |
| 9a (C) | 103.4 |
| 10a (C) | 152.4 |
| 2a (CH2) | 21.4 |
| 2b (CH) | 122.2 |
| 2c (C) | 131.9 |
| 2d (CH3) | 25.8 |
| 2e (CH3) | 17.8 |
| 3a (CH3) | 55.9 |
| 7a (CH3) | 56.6 |
