2a,7a,15,19-Tetrahydroxy-ent-labda-8(17),(13Z)-diene

2a,7a,15,19-Tetrahydroxy-ent-labda-8(17),(13Z)-diene

Common Name: 2a,7a,15,19-Tetrahydroxy-ent-labda-8(17),(13Z)-diene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H34O4/c1-13(7-8-21)5-6-16-14(2)17(24)9-18-19(3,12-22)10-15(23)11-20(16,18)4/h7,15-18,21-24H,2,5-6,8-12H2,1,3-4H3/b13-7-/t15-,16+,17+,18+,19+,20+/m1/s1

InChIKey: InChIKey=LCWHTWNKEOSQBZ-UJSJCHNZSA-N

Formula: C20H34O4

Molecular Weight: 338.482323

Exact Mass: 338.24571

NMR Solvent: CD3OD

MHz:

Calibration:

NMR references: 13C - Fragoso-Serrano, M., Gonzalez-Chimeo, E., Pereda-Miranda, R. J Nat Prod (1999) 62, 45-50

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) 41.3
2 (CH) 65.5
3 (CH2) 45.1
4 (C) 41.2
5 (CH) 54.4
6 (CH2) 34.2
7 (CH) 74.7
8 (C) 151.2
9 (CH) 55.2
10 (C) 41.3
11 (CH2) 22.7
12 (CH2) 31.1
13 (C) 139.8
14 (CH) 126.3
15 (CH2) 59.3
16 (CH3) 23.5
17 (CH2) 104.6
18 (CH3) 28.2
19 (CH2) 65.5
20 (CH3) 16.7