(13R)-9α,13α-Epoxylabda-6β(19),16(15)-diol dilactone

(13R)-9α,13α-Epoxylabda-6β(19),16(15)-diol dilactone

Common Name: (13R)-9α,13α-Epoxylabda-6β(19),16(15)-diol dilactone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O5/c1-12-9-13-15-17(2,16(22)24-13)5-4-6-18(15,3)20(12)8-7-19(25-20)10-14(21)23-11-19/h12-13,15H,4-11H2,1-3H3/t12-,13-,15+,17+,18+,19+,20-/m1/s1

InChIKey: InChIKey=UHVBVZOAJOXFRA-GBJBSKOPSA-N

Formula: C20H28O5

Molecular Weight: 348.434084

Exact Mass: 348.193674

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Rigano, D., Grassia, A., Bruno, M., Rosselli, S., Piozzi, F., Formisano, C., Arnold, N.A., Senatore, F. J Nat Prod (2006) 69, 836-8

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) 29.3
2 (CH2) 17.9
3 (CH2) 28.1
4 (C) 44
5 (CH) 45.9
6 (CH) 75.9
7 (CH2) 31.6
8 (CH) 31.9
9 (C) 92
10 (C) 39
11 (CH2) 29
12 (CH2) 36.9
13 (C) 86
14 (CH2) 43
15 (C) 174.5
16 (CH2) 78.3
17 (CH3) 17.3
18 (CH3) 23
19 (C) 183.4
20 (CH3) 23.4