11a,18-Dihydroxy-7-oxo-13-epi-ent-pimara-8(9),15-diene

11a,18-Dihydroxy-7-oxo-13-epi-ent-pimara-8(9),15-diene

Common Name: 11a,18-Dihydroxy-7-oxo-13-epi-ent-pimara-8(9),15-diene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H30O3/c1-5-18(2)10-13-14(22)9-16-19(3,12-21)7-6-8-20(16,4)17(13)15(23)11-18/h5,15-16,21,23H,1,6-12H2,2-4H3/t15-,16-,18+,19-,20-/m1/s1

InChIKey: InChIKey=BRQRUMQYUHSKGC-SCQOQHIRSA-N

Formula: C20H30O3

Molecular Weight: 318.451155

Exact Mass: 318.219495

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) 34.3
2 (CH2) 17.9
3 (CH2) 34.5
4 (C) 35.2
5 (CH) 44.1
6 (CH2) 35.1
7 (C) 201.2
8 (C) 130.6
9 (C) 162.8
10 (C) 39.9
11 (CH) 67.3
12 (CH2) 44.9
13 (C) 37.8
14 (CH2) 34.8
15 (CH) 144.9
16 (CH2) 111.8
17 (CH3) 27.8
18 (CH2) 71.1
19 (CH3) 17.5
20 (CH3) 19.9