Spektraris NMR
3',3'-Dimethylpyrano[3',4']2,4,2'-Trihydroxychalcone
![3',3'-Dimethylpyrano[3',4']2,4,2'-Trihydroxychalcone](/nmr/static/nmr/svg/18815.svg)
Common Name: 3',3'-Dimethylpyrano[3',4']2,4,2'-Trihydroxychalcone
Synonyms: 3',3'-Dimethylpyrano[3',4']2,4,2'-Trihydroxychalcone
CAS Registry Number:
InChI: InChI=1S/C20H18O5/c1-20(2)10-9-15-18(25-20)8-6-14(19(15)24)16(22)7-4-12-3-5-13(21)11-17(12)23/h3-11,21,23-24H,1-2H3/b7-4+
InChIKey: InChIKey=YRSOJUCHXHTKQU-QPJJXVBHSA-N
Formula: C20H18O5
Molecular Weight: 338.354676
Exact Mass: 338.115424
NMR Solvent: CD3OD
MHz:
Calibration:
NMR references: 13C - Han, A.R., Kang, Y.J., Windono, T., Lee, S.K., Seo, E.K. J Nat Prod (2006) 69, 719-21
Species:
Notes: Family : Flavonoids, Type : Chalconoids; 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) | 115.6 |
| 2 (C) | 160.7 |
| 3 (CH) | 103.7 |
| 4 (C) | 163.2 |
| 5 (CH) | 109.2 |
| 6 (CH) | 132.6 |
| α (CH) | 117.3 |
| β (CH) | 142.6 |
| 1' (C) | 116.3 |
| 2' (C) | 161.1 |
| 3' (C) | 110.4 |
| 4' (C) | 160.7 |
| 5' (CH) | 109.1 |
| 6' (CH) | 132.1 |
| β' (C) | 194.5 |
| 2'' (C) | 78.7 |
| 3'' (CH) | 129.4 |
| 4'' (CH) | 116.8 |
| 5'' (CH3) | 28.6 |
| 6'' (CH3) | 28.6 |
