2a,3b-dihydroxy-taraxastan-28,20b-olide

2a,3b-dihydroxy-taraxastan-28,20b-olide

Common Name: 2a,3b-dihydroxy-taraxastan-28,20b-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H48O4/c1-17-22-18-8-9-21-26(4)16-19(31)23(32)25(2,3)20(26)10-11-28(21,6)27(18,5)12-14-30(22)15-13-29(17,7)34-24(30)33/h17-23,31-32H,8-16H2,1-7H3/t17-,18+,19+,20-,21+,22+,23-,26-,27+,28+,29+,30+/m0/s1

InChIKey: InChIKey=LOQAFRKIRFCVFJ-SFOLIJKKSA-N

Formula: C30H48O4

Molecular Weight: 472.700853

Exact Mass: 472.35526

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Mandal, D., Panda, N., Kumar, S., Banerjee, S., Mandal, N.B., Sahu, N.P. Phytochemistry (2006) 67, 183-90

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Taraxastanes; 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) 48.2
2 (CH) 68.9
3 (CH) 83.8
4 (C) 39.9
5 (CH) 56.1
6 (CH2) 18.7
7 (CH2) 34.3
8 (C) 40.9
9 (CH) 50.9
10 (C) 38.7
11 (CH2) 22.3
12 (CH2) 25.4
13 (CH) 43.2
14 (C) 41.4
15 (CH2) 27.7
16 (CH2) 28.1
17 (C) 42.2
18 (CH) 48.4
19 (CH) 42.4
20 (C) 83.9
21 (CH2) 27.3
22 (CH2) 32.3
23 (CH3) 29.2
24 (CH3) 17.5
25 (CH3) 17.8
26 (CH3) 15.9
27 (CH3) 14.4
28 (C) 176.7
29 (CH3) 18.6
30 (CH3) 24.1