Spektraris NMR
5-Hydroxy-7-methoxy-6,8-di-C-methylflavanone
Common Name: 5-Hydroxy-7-methoxy-6,8-di-C-methylflavanone
Synonyms: 5-Hydroxy-7-methoxy-6,8-di-C-methylflavanone
CAS Registry Number:
InChI: InChI=1S/C18H18O4/c1-10-16(20)15-13(19)9-14(12-7-5-4-6-8-12)22-18(15)11(2)17(10)21-3/h4-8,14,20H,9H2,1-3H3
InChIKey: InChIKey=KZNAGLGLKRUIPD-UHFFFAOYSA-N
Formula: C18H18O4
Molecular Weight: 298.333799
Exact Mass: 298.120509
NMR Solvent: CD3COCD3
MHz:
Calibration:
NMR references: 13C - C.D. Hufford, B.O. Oguntimein J Nat Prod (1982) 45, 337
Species:
Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanones; 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 |
|---|---|
| 2 (CH) | 79.2 |
| 3 (CH2) | 43.7 |
| 4 (C) | 197.3 |
| 5 (C) | 165.6 |
| 6 (C) | 111.4 |
| 7 (C) | 159.5 |
| 8 (C) | 109.7 |
| 9 (C) | 157.9 |
| 10 (C) | 105.2 |
| 1' (C) | 139.1 |
| 2' (CH) | 125.9 |
| 3' (CH) | 128.6 |
| 4' (CH) | 128.4 |
| 5' (CH) | 128.6 |
| 6' (CH) | 125.9 |
| 6a (CH3) | 8.1 |
| 7a (CH3) | 60.4 |
| 8a (CH3) | 8.7 |
