Isobutyric acid 2,8-dioxo-3,4abeta,5beta-trimethyl-8aalpha-hydroxy-2,4,4a,5,6,7,8,8a-octahydronaphtho[2,3-b]furan-4beta-yl ester

Isobutyric acid 2,8-dioxo-3,4abeta,5beta-trimethyl-8aalpha-hydroxy-2,4,4a,5,6,7,8,8a-octahydronaphtho[2,3-b]furan-4beta-yl ester

Common Name: Isobutyric acid 2,8-dioxo-3,4abeta,5beta-trimethyl-8aalpha-hydroxy-2,4,4a,5,6,7,8,8a-octahydronaphtho[2,3-b]furan-4beta-yl ester

Synonyms: Isobutyric acid 2,8-dioxo-3,4abeta,5beta-trimethyl-8aalpha-hydroxy-2,4,4a,5,6,7,8,8a-octahydronaphtho[2,3-b]furan-4beta-yl ester

CAS Registry Number:

InChI: InChI=1S/C19H24O6/c1-9(2)16(21)25-15-14-11(4)17(22)24-12(14)8-19(23)13(20)7-6-10(3)18(15,19)5/h8-10,15,23H,6-7H2,1-5H3/t10-,15+,18-,19-/m0/s1

InChIKey: InChIKey=GUIUSCZLHIXZMW-GLPXJIDDSA-N

Formula: C19H24O6

Molecular Weight: 348.39099

Exact Mass: 348.157289

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Meng, F.J., Zhao, H., Xie, W.D., Zhao, R.J., Lai, P.X., Zhou, Y.X., Miao, Y.L. Helv Chim Acta (2007) 90, 2196-200

Species:

Notes: Family : Terpenoids, Type : Sesquiterpenoids, Group : Eremophilanes; 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 (C) 207.8
2 (CH2) 36
3 (CH2) 30.9
4 (CH) 32.7
5 (C) 50.8
6 (CH) 71.8
7 (C) 144.5
8 (C) 150.7
9 (CH) 104.6
10 (C) 78.5
11 (C) 125.2
12 (C) 170.1
13 (CH3) 8.6
14 (CH3) 9.2
15 (CH3) 17
6a (C) 176.4
6b (CH) 34.4
6c (CH3) 18.6
6ba (CH3) 18.5