7βMethoxyabieta-8,13-diene-11,12-dione-(20, 6β)-olide

7βMethoxyabieta-8,13-diene-11,12-dione-(20, 6β)-olide

Common Name: 7βMethoxyabieta-8,13-diene-11,12-dione-(20, 6β)-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H26O5/c1-10(2)11-9-12-13(15(23)14(11)22)21-8-6-7-20(3,4)18(21)17(16(12)25-5)26-19(21)24/h9-10,16-18H,6-8H2,1-5H3/t16-,17+,18+,21-/m1/s1

InChIKey: InChIKey=CEYZNONDZLXUNG-OEMYIYORSA-N

Formula: C21H26O5

Molecular Weight: 358.428938

Exact Mass: 358.178024

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Mahmoud, A.A., Al-Shihry, S.S., Son, B.W. Phytochemistry (2005) 66, 1685-90

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) 25.1
2 (CH2) 18.2
3 (CH2) 37.8
4 (C) 31.8
5 (CH) 55.3
6 (CH) 72.7
7 (CH) 78.1
8 (C) 146.6
9 (C) 137.9
10 (C) 46.6
11 (C) 179.5
12 (C) 180.2
13 (C) 149.7
14 (CH) 132.7
15 (CH) 27.5
16 (CH3) 21.6
17 (CH3) 21.9
18 (CH3) 31.6
19 (CH3) 21.3
20 (C) 175
7a (CH3) 57.1