6,11,12,16-Tetrahydroxy-5,8,11,13-abitetetraen-7-one

6,11,12,16-Tetrahydroxy-5,8,11,13-abitetetraen-7-one

Common Name: 6,11,12,16-Tetrahydroxy-5,8,11,13-abitetetraen-7-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H26O5/c1-10(9-21)11-8-12-13(16(24)14(11)22)20(4)7-5-6-19(2,3)18(20)17(25)15(12)23/h8,10,21-22,24-25H,5-7,9H2,1-4H3/t10?,20-/m1/s1

InChIKey: InChIKey=KPIDDSZEIRXHPH-AKYJZCGHSA-N

Formula: C20H26O5

Molecular Weight: 346.418202

Exact Mass: 346.178024

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Han, L., Huang, X., Dahse, H.M., Moellmann, U., Grabley, S., Lin, W., Sattler, I. Planta Med (2008) 74, 432-7

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Abietanes; 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) 29.4
2 (CH2) 17.6
3 (CH2) 36.4
4 (C) 36.4
5 (C) 144.1
6 (C) 142.9
7 (C) 180.1
8 (C) 120.6
9 (C) 138.2
10 (C) 40.9
11 (C) 142.8
12 (C) 146.9
13 (C) 129.6
14 (CH) 117.7
15 (CH) 37.8
16 (CH2) 69.6
17 (CH3) 15.2
18 (CH3) 27.9
19 (CH3) 27.2
20 (CH3) 27.2