Spektraris NMR
5,7-dihydroxy-2-(2-hydroxyphenyl)-6,8-dimethyl-2,3-dihydrochromen-4-one
Common Name: 5,7-dihydroxy-2-(2-hydroxyphenyl)-6,8-dimethyl-2,3-dihydrochromen-4-one
Synonyms: 5,7-dihydroxy-2-(2-hydroxyphenyl)-6,8-dimethyl-2,3-dihydrochromen-4-one
CAS Registry Number:
InChI: InChI=1S/C17H16O5/c1-8-15(20)9(2)17-14(16(8)21)12(19)7-13(22-17)10-5-3-4-6-11(10)18/h3-6,13,18,20-21H,7H2,1-2H3
InChIKey: InChIKey=WOGYXYDORXIAGE-UHFFFAOYSA-N
Formula: C17H16O5
Molecular Weight: 300.306587
Exact Mass: 300.099774
NMR Solvent: CD3COCD3
MHz:
Calibration:
NMR references: 13C - C.D. Hufford, B.O. Oguntimein, J.K. Bake J Org Chem (1981) 46, 3073
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) | 75.4 |
| 3 (CH2) | 42.7 |
| 4 (C) | 197.8 |
| 5 (C) | 160.2 |
| 6 (C) | 103.4 |
| 7 (C) | 163 |
| 8 (C) | 103.2 |
| 9 (C) | 159 |
| 10 (C) | 104.3 |
| 1' (C) | 127 |
| 2' (C) | 154.8 |
| 3' (CH) | 116.4 |
| 4' (CH) | 129.9 |
| 5' (CH) | 120.7 |
| 6' (CH) | 127.3 |
| 6a (CH3) | 7.4 |
| 8a (CH3) | 8.1 |
