Spektraris NMR
9-Methyl-3-(4-methyl-3-pentenyl)-2,3-dihydronaphtho[1,8-bc]-pyran-7,8-dione
![9-Methyl-3-(4-methyl-3-pentenyl)-2,3-dihydronaphtho[1,8-bc]-pyran-7,8-dione](/nmr/static/nmr/svg/15761.svg)
Common Name: 9-Methyl-3-(4-methyl-3-pentenyl)-2,3-dihydronaphtho[1,8-bc]-pyran-7,8-dione
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C19H20O3/c1-11(2)6-4-7-13-10-22-19-12(3)17(20)18(21)15-9-5-8-14(13)16(15)19/h5-6,8-9,13H,4,7,10H2,1-3H3/t13-/m1/s1
InChIKey: InChIKey=QJZOFSVFRGKNEJ-CYBMUJFWSA-N
Formula: C19H20O3
Molecular Weight: 296.361012
Exact Mass: 296.141245
NMR Solvent: CD3OD
MHz:
Calibration:
NMR references: 13C - Ndi, C.P., Semple, S.J., Griesser, H.J., Pyke, S.M., Barton, M.D. Phytochemistry (2007) 68, 2684-90
Species:
Notes: Family : Terpenoids, Type : Diterpenoids, Group : Serrulatanes; 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 (CH) | 129 |
| 2 (CH) | 132.5 |
| 3 (CH) | 136.7 |
| 4 (C) | 140.4 |
| 5 (C) | 165.4 |
| 6 (C) | 117.6 |
| 7 (C) | 181.5 |
| 8 (C) | 181.7 |
| 9 (C) | 131.4 |
| 10 (C) | 127.7 |
| 11 (CH) | 37.9 |
| 12 (CH2) | 34.6 |
| 13 (CH2) | 26.9 |
| 14 (CH) | 125.2 |
| 15 (C) | 134.1 |
| 16 (CH3) | 26.3 |
| 17 (CH3) | 18.3 |
| 18 (CH2) | 71.9 |
| 19 (CH3) | 8.2 |
