16a-Methoxy-ent-kauran-19-oic acid

16a-Methoxy-ent-kauran-19-oic acid

Common Name: 16a-Methoxy-ent-kauran-19-oic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H34O3/c1-18-9-5-10-19(2,17(22)23)15(18)8-11-21-12-14(6-7-16(18)21)20(3,13-21)24-4/h14-16H,5-13H2,1-4H3,(H,22,23)/t14-,15+,16+,18-,19-,20-,21+/m1/s1

InChIKey: InChIKey=VYVVNCBNYVCVGC-IIDSPLMYSA-N

Formula: C21H34O3

Molecular Weight: 334.493654

Exact Mass: 334.250795

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Chen, C.Y., Chang, F.R., Cho, C.P., Wu, Y.C. J Nat Prod (2000) 63, 1000-3

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) 42.1
2 (CH2) 19.1
3 (CH2) 37.1
4 (C) 44.7
5 (CH) 56.9
6 (CH2) 22.1
7 (CH2) 40.7
8 (C) 43.7
9 (CH) 56
10 (C) 39.7
11 (CH2) 18.5
12 (CH2) 26.7
13 (CH) 43.3
14 (CH2) 37.9
15 (CH2) 54.6
16 (C) 84.1
17 (CH3) 18.3
18 (CH3) 28.9
19 (C) 183.7
20 (CH3) 15.5
16a (CH3) 54.6