1a,18-Dihydroxy-7-oxo-9,13-epi-ent-pimara-15-ene

1a,18-Dihydroxy-7-oxo-9,13-epi-ent-pimara-15-ene

Common Name: 1a,18-Dihydroxy-7-oxo-9,13-epi-ent-pimara-15-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O3/c1-5-18(2)8-6-14-13(11-18)15(22)10-16-19(3,12-21)9-7-17(23)20(14,16)4/h5,13-14,16-17,21,23H,1,6-12H2,2-4H3/t13-,14-,16+,17-,18+,19+,20-/m0/s1

InChIKey: InChIKey=RIUBCTQPLBOOSX-JKGDKZGHSA-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 (CH) 73.3
2 (CH2) 27.9
3 (CH2) 33.1
4 (C) 37.5
5 (CH) 38.5
6 (CH2) 37.7
7 (C) 214.7
8 (CH) 48.2
9 (CH) 54.6
10 (C) 41.3
11 (CH2) 26.2
12 (CH2) 38.2
13 (C) 36.9
14 (CH2) 38.1
15 (CH) 146.3
16 (CH2) 112.6
17 (CH3) 31.2
18 (CH2) 71.1
19 (CH3) 18.3
20 (CH3) 18.5