21b-Hydroxyursolic acid

21b-Hydroxyursolic acid

Common Name: 21b-Hydroxyursolic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C31H50O4/c1-18-19(2)25-20-9-10-23-28(5)13-12-24(33)27(3,4)22(28)11-14-30(23,7)29(20,6)15-16-31(25,17-21(18)32)26(34)35-8/h9,18-19,21-25,32-33H,10-17H2,1-8H3/t18-,19-,21-,22-,23+,24-,25-,28-,29+,30+,31+/m0/s1

InChIKey: InChIKey=RLPWSZRBGLFXMI-JLUVPQLHSA-N

Formula: C31H50O4

Molecular Weight: 486.72747

Exact Mass: 486.37091

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Shimizu S., Ishihara N., Umehara K., Miyase T., Ueno A. Chem Pharm Bull (1988) 36, 2466

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) 38.6
2 (CH2) 27.2
3 (CH) 78.9
4 (C) 38.7
5 (CH) 55.2
6 (CH2) 18.3
7 (CH2) 32.9
8 (C) 39.4
9 (CH) 47.5
10 (C) 37
11 (CH2) 23.3
12 (CH) 126.2
13 (C) 137.7
14 (C) 41.9
15 (CH2) 28.1
16 (CH2) 25.2
17 (C) 48.8
18 (CH) 52.3
19 (CH) 37.9
20 (CH) 46.6
21 (CH) 71.1
22 (CH2) 44.8
23 (CH3) 28.1
24 (CH3) 15.4
25 (CH3) 15.6
26 (CH3) 16.8
27 (CH3) 23.5
28 (C) 176.5
29 (CH3) 17.1
30 (CH3) 15.6
28a (CH3) 51.5