Spektraris NMR
Cudraflavanone B
Common Name: Cudraflavanone B
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C20H20O6/c1-10(2)3-5-13-15(23)8-18-19(20(13)25)16(24)9-17(26-18)12-6-4-11(21)7-14(12)22/h3-4,6-8,17,21-23,25H,5,9H2,1-2H3
InChIKey: InChIKey=QMYILUYFNCCEPY-UHFFFAOYSA-N
Formula: C20H20O6
Molecular Weight: 356.369963
Exact Mass: 356.125988
NMR Solvent: CD3COCD3
MHz:
Calibration:
NMR references: 13C - Fukai, T., Yonekawa, M., Hou, A.J., Nomura, T., Sun, H.D., Uno, J. J Nat Prod (2003) 66, 1118-20
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) | 75.3 |
| 3 (CH2) | 42.8 |
| 4 (C) | 197.8 |
| 5 (C) | 162.5 |
| 6 (C) | 108.9 |
| 7 (C) | 164.8 |
| 8 (CH) | 95.3 |
| 9 (C) | 162.3 |
| 10 (C) | 103.5 |
| 1' (C) | 117.6 |
| 2' (C) | 156.3 |
| 3' (CH) | 103.5 |
| 4' (C) | 159.5 |
| 5' (CH) | 107.9 |
| 6' (CH) | 129 |
| 6a (CH2) | 21.5 |
| 6b (CH) | 123.7 |
| 6c (C) | 131.1 |
| 6d (CH3) | 25.8 |
| 6ca (CH3) | 17.8 |
