Spektraris NMR
Trapezifolixanthone
Common Name: Trapezifolixanthone
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C23H22O5/c1-12(2)8-9-15-20-14(10-11-23(3,4)28-20)19(26)17-18(25)13-6-5-7-16(24)21(13)27-22(15)17/h5-8,10-11,24,26H,9H2,1-4H3
InChIKey: InChIKey=YWHROXVOOAEFOY-UHFFFAOYSA-N
Formula: C23H22O5
Molecular Weight: 378.418647
Exact Mass: 378.146724
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Seo, E.K., Wall, M.E., Wani, M.C., Navarro, H., Mukherjee, R., Farnsworth, N.R., Kinghorn, A.D. Phytochemistry (1999) 52, 669-74
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) | 156 |
| 2 (C) | 104.7 |
| 3 (C) | 158.2 |
| 4 (C) | 107 |
| 4a (C) | 153.7 |
| 5 (C) | 144.4 |
| 6 (CH) | 119.7 |
| 7 (CH) | 123.9 |
| 8 (CH) | 116.8 |
| 8a (C) | 120.9 |
| 9 (C) | 181 |
| 9a (C) | 103.3 |
| 10a (C) | 144.2 |
| 1' (CH) | 115.7 |
| 2' (CH) | 127.4 |
| 3' (C) | 78.3 |
| 4' (CH3) | 28.3 |
| 5' (CH3) | 28.3 |
| 1'' (CH2) | 21.7 |
| 2'' (CH) | 122.7 |
| 3'' (C) | 131.6 |
| 4'' (CH3) | 17.9 |
| 5'' (CH3) | 25.5 |
