Spektraris NMR
5-O-Methylmammeisin
Common Name: 5-O-Methylmammeisin
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C26H28O5/c1-15(2)11-12-18-24(29)23(20(27)13-16(3)4)26(30-5)22-19(14-21(28)31-25(18)22)17-9-7-6-8-10-17/h6-11,14,16,29H,12-13H2,1-5H3
InChIKey: InChIKey=NIVXDXNXQGFSQS-UHFFFAOYSA-N
Formula: C26H28O5
Molecular Weight: 420.498499
Exact Mass: 420.193674
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Lopez-Perez, J.L., Olmedo, D.A., Del Olmo, E., Vasquez, Y., Solis, P.N., Gupta, M.P., San Feliciano, A. J Nat Prod (2005) 68, 369-73
Species:
Notes: Family : Flavonoids, Type : Neoflavonoids; 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) | 159.4 |
| 3 (CH) | 114.6 |
| 4 (C) | 154.5 |
| 5 (C) | 159.8 |
| 6 (C) | 113 |
| 7 (C) | 163.3 |
| 8 (C) | 114.3 |
| 9 (C) | 156.6 |
| 10 (C) | 105.8 |
| 1' (C) | 138.3 |
| 2' (CH) | 127.6 |
| 3' (CH) | 127.4 |
| 4' (CH) | 128.6 |
| 5' (CH) | 127.4 |
| 6' (CH) | 127.6 |
| 5a (CH3) | 63.9 |
| 6a (C) | 207.5 |
| 6b (CH2) | 52.3 |
| 6c (CH) | 25.7 |
| 6d (CH3) | 22.6 |
| 6e (CH3) | 22.6 |
| 8a (CH2) | 21.8 |
| 8b (CH) | 120.7 |
| 8c (C) | 133 |
| 8d (CH3) | 25.7 |
| 8e (CH3) | 17.9 |
