Spektraris NMR
(2S,4R)-2,5-dimethoxy-2-phenyl-3,4-dihydrofuro[2,3-h]chromen-4-ol
![(2S,4R)-2,5-dimethoxy-2-phenyl-3,4-dihydrofuro[2,3-h]chromen-4-ol](/nmr/static/nmr/svg/10890.svg)
Common Name: (2S,4R)-2,5-dimethoxy-2-phenyl-3,4-dihydrofuro[2,3-h]chromen-4-ol
Synonyms: (2S,4R)-2,5-dimethoxy-2-phenyl-3,4-dihydrofuro[2,3-h]chromen-4-ol
CAS Registry Number:
InChI: InChI=1S/C19H18O5/c1-21-16-10-15-13(8-9-23-15)18-17(16)14(20)11-19(22-2,24-18)12-6-4-3-5-7-12/h3-10,14,20H,11H2,1-2H3/t14-,19+/m1/s1
InChIKey: InChIKey=JJNUOQQTGRIGHV-KUHUBIRLSA-N
Formula: C19H18O5
Molecular Weight: 326.34394
Exact Mass: 326.115424
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Sritularak B., Likhitwitayawuid K., Conrad J., Kraus W. Phytochemistry (2002) 61, 943-7
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 (C) | 101.9 |
| 3 (CH2) | 42.4 |
| 4 (CH) | 59.7 |
| 5 (C) | 157.4 |
| 6 (CH) | 88.8 |
| 7 (C) | 156.7 |
| 8 (C) | 110.9 |
| 9 (C) | 144.4 |
| 10 (C) | 109 |
| 1' (C) | 140.1 |
| 2' (CH) | 126.4 |
| 3' (CH) | 128.8 |
| 4' (CH) | 128.8 |
| 5' (CH) | 128.8 |
| 6' (CH) | 126.4 |
| 1'' (CH) | 103.8 |
| 2'' (CH) | 143.1 |
| 2a (CH3) | 50.7 |
| 5a (CH3) | 56.4 |
