Spektraris NMR
Common Name:
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C19H20O5/c1-10-17(21)16-13(20)9-15(12-7-5-6-8-14(12)22-3)24-19(16)11(2)18(10)23-4/h5-8,15,21H,9H2,1-4H3
InChIKey: InChIKey=VLNOFBUJRWWGNP-UHFFFAOYSA-N
Formula: C19H20O5
Molecular Weight: 328.359822
Exact Mass: 328.131074
NMR Solvent: CDCl3
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) | 74.2 |
| 3 (CH2) | 42.9 |
| 4 (C) | 198.1 |
| 5 (C) | 159.5 |
| 6 (C) | 111.2 |
| 7 (C) | 165.4 |
| 8 (C) | 109.6 |
| 9 (C) | 158.5 |
| 10 (C) | 105.2 |
| 1' (C) | 127.9 |
| 2' (C) | 156 |
| 3' (CH) | 110.6 |
| 4' (CH) | 129.3 |
| 5' (CH) | 121 |
| 6' (CH) | 126.3 |
| 6a (CH3) | 8.4 |
| 7a (CH3) | 60 |
| 8a (CH3) | 7.9 |
| 2'a (CH3) | 55.4 |
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The Spektraris NMR database is developed and hosted by the Lange laboratory at WSU. CAS Registry Number is a Registered Trademark of the American Chemical Society.