3-Oxo-8a-methoxy-10aH-eremophila-1,7(11)-dien-12,8b-olide

3-Oxo-8a-methoxy-10aH-eremophila-1,7(11)-dien-12,8b-olide

Common Name: 3-Oxo-8a-methoxy-10aH-eremophila-1,7(11)-dien-12,8b-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C16H20O4/c1-9-12-8-15(3)10(2)13(17)6-5-11(15)7-16(12,19-4)20-14(9)18/h5-6,10-11H,7-8H2,1-4H3/t10-,11-,15+,16+/m0/s1

InChIKey: InChIKey=OJVOYGHFOFCKMO-DPDCMNJDSA-N

Formula: C16H20O4

Molecular Weight: 276.328209

Exact Mass: 276.136159

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Torres, P., Ayala, J., Grande, C., Anaya, J., Grande, M. Phytochemistry (1999) 52, 1507-13

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 (CH) 149.2
2 (CH) 129.4
3 (C) 199.6
4 (CH) 42.8
5 (C) 44.1
6 (CH2) 36.2
7 (C) 155
8 (C) 105.4
9 (CH2) 37.9
10 (CH) 53.9
11 (C) 127.1
12 (C) 170.9
13 (CH3) 8.1
14 (CH3) 10.8
15 (CH3) 7.1
8a (CH3) 50