3-Ketours-13(18)-en-19,28-olide

3-Ketours-13(18)-en-19,28-olide

Common Name: 3-Ketours-13(18)-en-19,28-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H44O3/c1-18-10-15-30-17-16-27(5)19(23(30)29(18,7)33-24(30)32)8-9-21-26(4)13-12-22(31)25(2,3)20(26)11-14-28(21,27)6/h18,20-21H,8-17H2,1-7H3/t18-,20+,21-,26+,27-,28-,29+,30+/m1/s1

InChIKey: InChIKey=OMIQDGUCFBOBMX-HNEBEZSKSA-N

Formula: C30H44O3

Molecular Weight: 452.669685

Exact Mass: 452.329045

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Tapondjou, L.A., Ngounou, F.N., Lontsi, D., Sondengam, B.L., Connolly, J.D. Tetrahedron (1998) 54, 2099-106

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Ursanes; 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) 39.77
2 (CH2) 34.28
3 (C) 218.05
4 (C) 47.12
5 (CH) 54.73
6 (CH2) 18.66
7 (CH2) 32.78
8 (C) 41.36
9 (CH) 50.19
10 (C) 37.04
11 (CH2) 20.29
12 (CH2) 21.96
13 (C) 140
14 (C) 42.44
15 (CH2) 27.94
16 (CH2) 25.27
17 (C) 47.22
18 (C) 132.05
19 (C) 83
20 (CH) 40.35
21 (CH2) 25.27
22 (CH2) 37.04
23 (CH3) 26.83
24 (CH3) 20.29
25 (CH3) 16.5
26 (CH3) 17.61
27 (CH3) 21
28 (C) 176.01
29 (CH3) 22.36
30 (CH3) 16.45