Spektraris NMR
Pierisformosin B
Common Name: Pierisformosin B
Synonyms:
CAS Registry Number:
InChI: InChI=1S/C23H38O7/c1-6-17(26)30-18-12-7-8-13-21(5,28)14-9-15(24)19(2,3)23(14,29)16(25)10-22(13,18)11-20(12,4)27/h12-16,18,24-25,27-29H,6-11H2,1-5H3/t12-,13+,14+,15+,16-,18-,20-,21-,22+,23+/m1/s1
InChIKey: InChIKey=UVIOAKNWFGGRCJ-IWVSYNHMSA-N
Formula: C23H38O7
Molecular Weight: 426.544509
Exact Mass: 426.261754
NMR Solvent: C5D5N
MHz:
Calibration:
NMR references: 13C - Ding, L., Qin, G.W., Lin, G., Cheng, K.F. Phytochemistry (1998) 49, 2045-8
Species:
Notes: Family : Terpenoids, Type : Diterpenoids, Group : Grayananes; 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) | 51.3 |
| 2 (CH2) | 35.8 |
| 3 (CH) | 82.6 |
| 4 (C) | 51.8 |
| 5 (C) | 84.5 |
| 6 (CH) | 73.8 |
| 7 (CH2) | 44.1 |
| 8 (C) | 51.1 |
| 9 (CH) | 55.7 |
| 10 (C) | 78 |
| 11 (CH2) | 22.5 |
| 12 (CH2) | 27.4 |
| 13 (CH) | 55.1 |
| 14 (CH) | 82.6 |
| 15 (CH2) | 61.1 |
| 16 (C) | 78.6 |
| 17 (CH3) | 23.9 |
| 18 (CH3) | 23.4 |
| 19 (CH3) | 19.8 |
| 20 (CH3) | 28.3 |
| 14a (C) | 173.8 |
| 14b (CH2) | 28.4 |
| 14c (CH3) | 9.6 |
