Spektraris NMR
12-Methoxycarnosic acid
Common Name: 12-Methoxycarnosic acid
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C21H30O4/c1-12(2)14-11-13-7-8-15-20(3,4)9-6-10-21(15,19(23)24)16(13)17(22)18(14)25-5/h11-12,15,22H,6-10H2,1-5H3,(H,23,24)/t15-,21+/m0/s1
InChIKey: InChIKey=QQNSARJGBPMQDI-YCRPNKLZSA-N
Formula: C21H30O4
Molecular Weight: 346.461296
Exact Mass: 346.214409
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - da Cruz Araujo, E.C., Lima, M.A., Silveira, E.R. Magn Reson Chem (2004) 42, 1049-52
Species:
Notes: Family : Terpenoids, Type : Diterpenoids, Group : Abietanes; 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 (CH2) | 34 |
| 2 (CH2) | 19.9 |
| 3 (CH2) | 41.5 |
| 4 (C) | 34.1 |
| 5 (CH) | 54.1 |
| 6 (CH2) | 18.5 |
| 7 (CH2) | 31.9 |
| 8 (C) | 134.6 |
| 9 (C) | 125.4 |
| 10 (C) | 47.7 |
| 11 (C) | 147.7 |
| 12 (C) | 142.5 |
| 13 (C) | 139.5 |
| 14 (CH) | 118.1 |
| 15 (CH) | 26.5 |
| 16 (CH3) | 23.4 |
| 17 (CH3) | 23.8 |
| 18 (CH3) | 32.7 |
| 19 (CH3) | 20.1 |
| 20 (C) | 180.6 |
| 12a (CH3) | 61.7 |
