16b,17-Dihydroxy-ent-kauran-19-oic acid

16b,17-Dihydroxy-ent-kauran-19-oic acid

Common Name: 16b,17-Dihydroxy-ent-kauran-19-oic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O4/c1-17-7-3-8-18(2,16(22)23)14(17)6-9-19-10-13(4-5-15(17)19)20(24,11-19)12-21/h13-15,21,24H,3-12H2,1-2H3,(H,22,23)/t13-,14+,15+,17-,18-,19+,20-/m1/s1

InChIKey: InChIKey=MRBLTWPEPGRXQN-WMUQSPHGSA-N

Formula: C20H32O4

Molecular Weight: 336.466442

Exact Mass: 336.23006

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Wu, Y.C., Hung, Y.C., Chang, F.R., Cosentino, M., Wang, H.K., Lee, K.H. J Nat Prod (1996) 59, 635-7

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) 41.2
2 (CH2) 19.9
3 (CH2) 38.8
4 (C) 44
5 (CH) 57.1
6 (CH2) 22.5
7 (CH2) 42.6
8 (C) 43.9
9 (CH) 56.8
10 (C) 40.1
11 (CH2) 19.5
12 (CH2) 27.6
13 (CH) 41.7
14 (CH2) 38.6
15 (CH2) 53.5
16 (C) 79.8
17 (CH2) 70.5
18 (CH3) 29.4
19 (C) 180.2
20 (CH3) 16