Spektraris NMR
Cumbiasin C
Common Name: Cumbiasin C
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C20H26O5/c1-9(2)14-13-8-10(3)12-7-6-11(4)19-18(12,13)16(22)17(5,24-19)25-20(19,23)15(14)21/h10-14,23H,1,6-8H2,2-5H3/t10-,11-,12+,13-,14-,17-,18+,19-,20+/m0/s1
InChIKey: InChIKey=POWMZEFVJLEORC-KTRZPMJESA-N
Formula: C20H26O5
Molecular Weight: 346.418202
Exact Mass: 346.178024
NMR Solvent: CDCl3
MHz:
Calibration:
NMR references: 13C - Rodriguez, A.D., Ramirez, C., Shi, Y.P. J Org Chem (2000) 65, 6682-7
Species:
Notes: Family : Terpenoids, Type : Diterpenoids, Group : Cumbianes; 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) | 55 |
| 2 (C) | 92 |
| 3 (CH) | 30.2 |
| 4 (CH2) | 31.8 |
| 5 (CH2) | 31.1 |
| 6 (CH) | 46.3 |
| 7 (CH) | 39.6 |
| 8 (CH2) | 35 |
| 9 (CH) | 40.9 |
| 10 (CH) | 53.8 |
| 11 (C) | 138.9 |
| 12 (CH2) | 116.4 |
| 13 (CH3) | 19.6 |
| 14 (C) | 205.5 |
| 15 (C) | 103.3 |
| 16 (C) | 204.1 |
| 17 (C) | 100.1 |
| 18 (CH3) | 16.6 |
| 19 (CH3) | 20.4 |
| 20 (CH3) | 12.1 |
