2b,18-Dihydroxy-7-oxo-9,13-epi-ent-pimara-15-ene

2b,18-Dihydroxy-7-oxo-9,13-epi-ent-pimara-15-ene

Common Name: 2b,18-Dihydroxy-7-oxo-9,13-epi-ent-pimara-15-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O3/c1-5-18(2)7-6-15-14(11-18)16(23)8-17-19(3,12-21)9-13(22)10-20(15,17)4/h5,13-15,17,21-22H,1,6-12H2,2-4H3/t13-,14+,15+,17-,18-,19-,20+/m1/s1

InChIKey: InChIKey=OEMSFWLGZJWESS-IVJAHPGJSA-N

Formula: C20H32O3

Molecular Weight: 320.467037

Exact Mass: 320.235145

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Fraga, B.M., Gonzalez, P., Hernandez, M.G., Chamy, M.C., Garbarino, J.A. J Nat Prod (2003) 66, 392-7

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Pimaranes; 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) 44.9
2 (CH) 65.4
3 (CH2) 44.2
4 (C) 38.7
5 (CH) 38.9
6 (CH2) 36.9
7 (C) 214.5
8 (CH) 45.9
9 (CH) 52.6
10 (C) 35.8
11 (CH2) 24.9
12 (CH2) 37.9
13 (C) 36.4
14 (CH2) 37.4
15 (CH) 145.7
16 (CH2) 112.8
17 (CH3) 31.3
18 (CH2) 71.1
19 (CH3) 19.1
20 (CH3) 26.1