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

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

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

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O4/c1-5-16(2)8-9-20(23)18(4)13(10-15-19(20,11-16)24-15)17(3,12-21)7-6-14(18)22/h5,13-15,21-23H,1,6-12H2,2-4H3/t13-,14+,15-,16-,17-,18+,19-,20+/m1/s1

InChIKey: InChIKey=QGAPPSRQWYAUKX-HPLSJYOCSA-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) 74.3
2 (CH2) 25.3
3 (CH2) 33.5
4 (C) 37.6
5 (CH) 37.6
6 (CH2) 21.3
7 (CH) 62.8
8 (C) 62.3
9 (C) 77.2
10 (C) 44.6
11 (CH2) 28.9
12 (CH2) 32.3
13 (C) 38.2
14 (CH2) 43.3
15 (CH) 144.5
16 (CH2) 112.6
17 (CH3) 29.9
18 (CH2) 70.9
19 (CH3) 17.9
20 (CH3) 10.4