ent-2,4-Seco-4-oxo-3,19-norbeyer-15-en-2-oic acid

ent-2,4-Seco-4-oxo-3,19-norbeyer-15-en-2-oic acid

Common Name: ent-2,4-Seco-4-oxo-3,19-norbeyer-15-en-2-oic acid

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C18H26O3/c1-12(19)13-4-7-18-9-8-16(2,11-18)6-5-14(18)17(13,3)10-15(20)21/h8-9,13-14H,4-7,10-11H2,1-3H3,(H,20,21)/t13-,14+,16-,17-,18+/m1/s1

InChIKey: InChIKey=XHUGGGNADRQBIR-PEZLKRJXSA-N

Formula: C18H26O3

Molecular Weight: 290.397921

Exact Mass: 290.188195

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Munkombwe, N.M., Hughes, N.A., Duri, Z.J. Phytochemistry (1998) 47, 1653-5

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Beyeranes; 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) 42.5
2 (C) 174.4
4 (C) 216.1
5 (CH) 44.8
6 (CH2) 23.1
7 (CH2) 35.1
8 (C) 48.7
9 (CH) 57
10 (C) 40.1
11 (CH2) 20.4
12 (CH2) 32.7
13 (C) 43.8
14 (CH2) 60.5
15 (CH) 137.8
16 (CH) 133.6
17 (CH3) 24.7
18 (CH3) 18
20 (CH3) 30.6