Spektraris NMR
9H-Xanthen-9-one, 7-hydroxy-1-methoxy-
Common Name: 9H-Xanthen-9-one, 7-hydroxy-1-methoxy-
Synonyms: 9H-Xanthen-9-one, 7-hydroxy-1-methoxy-
CAS Registry Number:
InChI: InChI=1S/C14H10O4/c1-17-11-3-2-4-12-13(11)14(16)9-7-8(15)5-6-10(9)18-12/h2-7,15H,1H3
InChIKey: InChIKey=FWBCCNVJDMEVSM-UHFFFAOYSA-N
Formula: C14H10O4
Molecular Weight: 242.22733
Exact Mass: 242.057909
NMR Solvent: DMSO-d6
MHz:
Calibration:
NMR references: 13C - Li, W.K., Chan, C.L., Leung, H.W., Yeung, H.W., Xiao, P.G. Phytochemistry (1999) 51, 953-8
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) | 160.1 |
| 2 (CH) | 109.6 |
| 3 (CH) | 135.3 |
| 4 (CH) | 105.8 |
| 4a (C) | 157.4 |
| 5 (CH) | 118.7 |
| 6 (CH) | 123.6 |
| 7 (C) | 153.8 |
| 8 (CH) | 108.8 |
| 8a (C) | 123 |
| 9 (C) | 174.7 |
| 9a (C) | 111.1 |
| 10a (C) | 147.9 |
| 1a (CH3) | 56.1 |
