ent-17-Hydroxy- 15-oxokauran-19-oic acid

ent-17-Hydroxy- 15-oxokauran-19-oic  acid

Common Name: ent-17-Hydroxy- 15-oxokauran-19-oic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H30O4/c1-18-7-3-8-19(2,17(23)24)14(18)6-9-20-10-12(4-5-15(18)20)13(11-21)16(20)22/h12-15,21H,3-11H2,1-2H3,(H,23,24)/t12-,13-,14+,15+,18-,19-,20-/m1/s1

InChIKey: InChIKey=FQPNYDARJNLLHJ-SROPKWAUSA-N

Formula: C20H30O4

Molecular Weight: 334.45056

Exact Mass: 334.214409

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Deoliveira, A.B., Hanson, J.R., Takahashi, J.A. Phytochemistry (1995) 40, 439.42

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Kauranes; 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) 39.6
2 (CH2) 18.7
3 (CH2) 37.6
4 (C) 43.6
5 (CH) 55.9
6 (CH2) 20.1
7 (CH2) 33.9
8 (C) 53.4
9 (CH) 51.5
10 (C) 39.9
11 (CH2) 18.5
12 (CH2) 25.3
13 (CH) 32.9
14 (CH2) 37.4
15 (C) 225.6
16 (CH) 54.6
17 (CH2) 60.6
18 (CH3) 28.9
19 (C) 183.1
20 (CH3) 15.5