Spektraris NMR
Impressic Acid
Common Name: Impressic Acid
Synonyms: Impressic Acid
CAS Registry Number:
InChI: InChI=1S/C30H48O4/c1-17(2)18-8-13-30(25(33)34)15-14-28(6)19(23(18)30)16-20(31)24-27(5)11-10-22(32)26(3,4)21(27)9-12-29(24,28)7/h18-24,31-32H,1,8-16H2,2-7H3,(H,33,34)/t18-,19+,20+,21-,22+,23+,24+,27-,28+,29+,30-/m0/s1
InChIKey: InChIKey=CQYNGKPLHGNVHC-LEBDGTJJSA-N
Formula: C30H48O4
Molecular Weight: 472.700853
Exact Mass: 472.35526
NMR Solvent: C5D5N
MHz:
Calibration:
NMR references: 13C - Yook, C.S., Kim, I.H., Hahn, D.R., Nohara, T., Chang, S.Y. Phytochemistry (1998) 49, 839-43
Species:
Notes: Family : Terpenoids, Type : Triterpenoids, Group : Lupanes; 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) | 36.3 |
| 2 (CH2) | 27 |
| 3 (CH) | 75.2 |
| 4 (C) | 38.5 |
| 5 (CH) | 49.6 |
| 6 (CH2) | 18.6 |
| 7 (CH2) | 36 |
| 8 (C) | 42.8 |
| 9 (CH) | 56.2 |
| 10 (C) | 39.9 |
| 11 (CH) | 69.9 |
| 12 (CH2) | 38.4 |
| 13 (CH) | 37.7 |
| 14 (C) | 43 |
| 15 (CH2) | 30.2 |
| 16 (CH2) | 33 |
| 17 (C) | 56.4 |
| 18 (CH) | 49.5 |
| 19 (CH) | 47.6 |
| 20 (C) | 151 |
| 21 (CH2) | 31.3 |
| 22 (CH2) | 37.5 |
| 23 (CH3) | 29.9 |
| 24 (CH3) | 22.9 |
| 25 (CH3) | 16.8 |
| 26 (CH3) | 17.8 |
| 27 (CH3) | 14.8 |
| 28 (C) | 179.3 |
| 29 (CH2) | 110 |
| 30 (CH3) | 19.6 |
