Spektraris NMR
Nigrolineaxanthone U
Common Name: Nigrolineaxanthone U
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C18H18O7/c1-18(2,24)6-5-8-11(21)7-12(22)14-15(23)13-9(19)3-4-10(20)17(13)25-16(8)14/h3-4,7,19-22,24H,5-6H2,1-2H3
InChIKey: InChIKey=YPHCCYBDRYGMTN-UHFFFAOYSA-N
Formula: C18H18O7
Molecular Weight: 346.332014
Exact Mass: 346.105253
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Rukachaisirikul, V., Tadpetch, K., Watthanaphanit, A., Saengsanae, N., Phongpaichit, S. J Nat Prod (2005) 68, 1218-21
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) | 161.5 |
| 2 (CH) | 98.8 |
| 3 (C) | 164.6 |
| 4 (C) | 109.2 |
| 4a (C) | 155.8 |
| 5 (C) | 138.3 |
| 6 (CH) | 124.4 |
| 7 (CH) | 110.2 |
| 8 (C) | 153.8 |
| 8a (C) | 108 |
| 9 (C) | 185.8 |
| 9a (C) | 102.7 |
| 10a (C) | 144.4 |
| 1' (CH2) | 17.4 |
| 2' (CH2) | 42.7 |
| 3' (C) | 71.4 |
| 4' (CH3) | 29.5 |
| 5' (CH3) | 29.5 |
