1a,6a,18-Trihydroxy-7a,8a-epoxy-9,13-epi-ent-pimara-15-ene

1a,6a,18-Trihydroxy-7a,8a-epoxy-9,13-epi-ent-pimara-15-ene

Common Name: 1a,6a,18-Trihydroxy-7a,8a-epoxy-9,13-epi-ent-pimara-15-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O4/c1-5-17(2)8-6-12-19(4)13(22)7-9-18(3,11-21)15(19)14(23)16-20(12,10-17)24-16/h5,12-16,21-23H,1,6-11H2,2-4H3/t12-,13+,14-,15-,16-,17-,18-,19-,20+/m1/s1

InChIKey: InChIKey=VQCDEWXFGOTDTH-HRHMPXILSA-N

Formula: C20H32O4

Molecular Weight: 336.466442

Exact Mass: 336.23006

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) 73.6
2 (CH2) 26.7
3 (CH2) 36.9
4 (C) 38
5 (CH) 45.3
6 (CH) 66.9
7 (CH) 62.9
8 (C) 64.4
9 (CH) 41.6
10 (C) 40
11 (CH2) 22.8
12 (CH2) 36
13 (C) 38.5
14 (CH2) 48
15 (CH) 144.5
16 (CH2) 112.6
17 (CH3) 30.1
18 (CH2) 71.8
19 (CH3) 20.8
20 (CH3) 20.3