Spektraris NMR
9H-Xanthen-9-one, 1,5-dihydroxy-2,3-dimethoxy-
Common Name: 9H-Xanthen-9-one, 1,5-dihydroxy-2,3-dimethoxy-
Synonyms: 9H-Xanthen-9-one, 1,5-dihydroxy-2,3-dimethoxy-
CAS Registry Number:
InChI: InChI=1S/C15H12O6/c1-19-10-6-9-11(13(18)15(10)20-2)12(17)7-4-3-5-8(16)14(7)21-9/h3-6,16,18H,1-2H3
InChIKey: InChIKey=APPOIVIWJAIHBI-UHFFFAOYSA-N
Formula: C15H12O6
Molecular Weight: 288.252757
Exact Mass: 288.063388
NMR Solvent: DMSO-d6
MHz:
Calibration:
NMR references: 13C - Yuan, W., Zhang, L.P., Cheng, K.D., Zhu, P., Wang, Q., He, H.X., Zhu, H.X. J Nat Prod (2006) 69, 811-4
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 |
| 2 (C) | 131.1 |
| 3 (C) | 160.1 |
| 4 (CH) | 91.5 |
| 4a (C) | 152.8 |
| 5 (C) | 146.2 |
| 6 (CH) | 120.5 |
| 7 (CH) | 124.3 |
| 8 (CH) | 114.5 |
| 8a (C) | 120.6 |
| 9 (C) | 180.8 |
| 9a (C) | 103.2 |
| 10a (C) | 145 |
| 2a (CH3) | 60.1 |
| 3a (CH3) | 56.6 |
