8b,17-Epoxy-3b,7b-dihydroxy-12(E)-labden-16,15-olide

8b,17-Epoxy-3b,7b-dihydroxy-12(E)-labden-16,15-olide

Common Name: 8b,17-Epoxy-3b,7b-dihydroxy-12(E)-labden-16,15-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H30O5/c1-18(2)14-10-16(22)20(11-25-20)13(19(14,3)8-6-15(18)21)5-4-12-7-9-24-17(12)23/h4,13-16,21-22H,5-11H2,1-3H3/b12-4-/t13-,14+,15+,16+,19-,20-/m1/s1

InChIKey: InChIKey=NREPZLXPISUPRB-MVSHXYLNSA-N

Formula: C20H30O5

Molecular Weight: 350.449965

Exact Mass: 350.209324

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Tomla C., Kamnaing P., Ayimele G.A., Tanifum E.A., Tsopmo A., Tane P., Ayafor J.F., Connolly J.D. Phytochemistry (2002) 60, 197-200

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Labdanes; 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) 37.7
2 (CH2) 27.4
3 (CH) 78.7
4 (C) 39.4
5 (CH) 51.7
6 (CH2) 30.5
7 (CH) 69.4
8 (C) 59.5
9 (CH) 51.4
10 (C) 39.3
11 (CH2) 23.3
12 (CH) 141.3
13 (C) 125.8
14 (CH2) 25.7
15 (CH2) 65.7
16 (C) 171.4
17 (CH2) 45.1
18 (CH3) 28.6
19 (CH3) 15.8
20 (CH3) 15