(3S)-2-Oxo-1,3-cyclo-1,2-secours-11,13(18)-dien-28-oic acid methyl ester

(3S)-2-Oxo-1,3-cyclo-1,2-secours-11,13(18)-dien-28-oic acid methyl ester

Common Name: (3S)-2-Oxo-1,3-cyclo-1,2-secours-11,13(18)-dien-28-oic acid methyl ester

Synonyms: (3S)-2-Oxo-1,3-cyclo-1,2-secours-11,13(18)-dien-28-oic acid methyl ester

CAS Registry Number:

InChI: InChI=1S/C31H46O3/c1-19-11-14-31(26(33)34-8)16-15-29(6)22(25(31)20(19)2)9-10-24-28(5)17-21(18-32)27(3,4)23(28)12-13-30(24,29)7/h9-10,18-21,23-24H,11-17H2,1-8H3/t19-,20+,21-,23+,24-,28+,29-,30-,31+/m1/s1

InChIKey: InChIKey=NPPCOXFPAUCKGK-GPERJDDQSA-N

Formula: C31H46O3

Molecular Weight: 466.696302

Exact Mass: 466.344695

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) 53.75
2 (CH) 42.04
3 (CH) 203.14
4 (C) 47.25
5 (CH) 55.15
6 (CH2) 18.95
7 (CH2) 32.48
8 (C) 40.55
9 (CH) 25
10 (C) 38.69
11 (CH) 126.08
12 (CH) 125.73
13 (C) 132.24
14 (C) 42.04
15 (CH2) 26.33
16 (CH2) 25
17 (C) 47.45
18 (C) 136.27
19 (CH) 35.64
20 (CH) 40.66
21 (CH2) 25.56
22 (CH2) 38.69
23 (CH3) 26.33
24 (CH3) 20.78
25 (CH3) 17.41
26 (CH3) 19.71
27 (CH3) 24
28 (C) 178.6
29 (CH3) 26.33
30 (CH3) 15.98
28a (CH3) 51.74