7-Oxo-12-methoxyabieta-8,11,13-triene-18-oic acid methyl ester

7-Oxo-12-methoxyabieta-8,11,13-triene-18-oic acid methyl ester

Common Name: 7-Oxo-12-methoxyabieta-8,11,13-triene-18-oic acid methyl ester

Synonyms: 7-Oxo-12-methoxyabieta-8,11,13-triene-18-oic acid methyl ester

CAS Registry Number:

InChI: InChI=1S/C22H30O4/c1-13(2)14-10-15-16(11-18(14)25-5)21(3)8-7-9-22(4,20(24)26-6)19(21)12-17(15)23/h10-11,13,19H,7-9,12H2,1-6H3/t19-,21-,22-/m1/s1

InChIKey: InChIKey=LLVBBOXSQXMTII-CEMLEFRQSA-N

Formula: C22H30O4

Molecular Weight: 358.472032

Exact Mass: 358.214409

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Alvarez-Manzaneda, E., Chahboun, R., Cabrera, E., Alvarez, E., Manzaneda, R.A.-., Lachkar, M., Messouri, I. Tetrahedron Lett (2007) 48, 989-92

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) 37.1
2 (CH2) 18.3
3 (CH2) 37.7
4 (C) 46.8
5 (CH) 44.1
6 (CH2) 36.5
7 (C) 197.1
8 (C) 135.6
9 (C) 155.6
10 (C) 37.8
11 (CH) 104.3
12 (C) 161.8
13 (C) 124.1
14 (CH) 125.8
15 (CH) 26.6
16 (CH3) 22.4
17 (CH3) 22.6
18 (C) 177.8
19 (CH3) 23.6
20 (CH3) 16.5
12a (CH3) 55.5
18a (CH3) 52.2