3b,7b,8b,12c,17-Pentahydroxylabdan-16,15-olide

3b,7b,8b,12c,17-Pentahydroxylabdan-16,15-olide

Common Name: 3b,7b,8b,12c,17-Pentahydroxylabdan-16,15-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H34O7/c1-18(2)13-9-16(24)20(26,10-21)14(19(13,3)6-4-15(18)23)8-12(22)11-5-7-27-17(11)25/h11-16,21-24,26H,4-10H2,1-3H3/t11?,12?,13-,14+,15-,16-,19-,20+/m0/s1

InChIKey: InChIKey=UGNCJOONGJJUTN-FMUYCNSYSA-N

Formula: C20H34O7

Molecular Weight: 386.480538

Exact Mass: 386.230453

NMR Solvent: DMSO-d6

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
2 (CH2) 27.2
3 (CH) 77.2
4 (C) 38.7
5 (CH) 52.3
6 (CH2) 27
7 (CH) 73.2
8 (C) 70.7
9 (CH) 52.4
10 (C) 36.2
11 (CH2) 22.1
12 (CH) 77.9
13 (CH) 43.8
14 (CH2) 25.2
15 (CH2) 67.2
16 (C) 177.1
17 (CH2) 76.2
18 (CH3) 28.7
19 (CH3) 16.4
20 (CH3) 16