2a,9b,19-Trihydroxy-7ca,8ca-epoxy-ent-pimara-15-ene

2a,9b,19-Trihydroxy-7ca,8ca-epoxy-ent-pimara-15-ene

Common Name: 2a,9b,19-Trihydroxy-7ca,8ca-epoxy-ent-pimara-15-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O4/c1-5-16(2)6-7-20(23)18(4)10-13(22)9-17(3,12-21)14(18)8-15-19(20,11-16)24-15/h5,13-15,21-23H,1,6-12H2,2-4H3/t13-,14+,15+,16-,17-,18+,19+,20+/m0/s1

InChIKey: InChIKey=ABMHOUOKSAABIV-IRMPOMQISA-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. Phytochemistry (1998) 47, 211-5

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Isopimaranes; 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
2 (CH) 64
3 (CH2) 44
4 (C) 39.9
5 (CH) 45.2
6 (CH2) 21.2
7 (CH) 63
8 (C) 63.1
9 (C) 74.9
10 (C) 43.3
11 (CH2) 28.8
12 (CH2) 32.2
13 (C) 37.9
14 (CH2) 42.2
15 (CH) 148.6
16 (CH2) 110.1
17 (CH3) 21.7
18 (CH3) 27.5
19 (CH2) 64.9
20 (CH3) 18.2